{"title":"#219 Black and Blue One Piece Gears","description":"\u003cp\u003eOne-piece RLV #219 sprockets in black and blue finishes, listed by tooth count for kart rear-axle drive. Match pitch to #219 chain and your hub pattern before ordering.\u003c\/p\u003e","products":[{"product_id":"bm21964-black-diamond-64t-219-sprocket-bm21964","title":"Durable Black Diamond 64-Tooth #219 One-Piece Sprocket for Karts","description":"\u003cp\u003eEngineered as a one-piece marvel, the Black Diamond 64T #219 sprocket stands resilient against the chaos of kart racing. Its solid construction ensures unwavering performance, turning potential weak points into strengths.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e64-tooth profile: Precision-cut for optimal #219 chain wrap, promoting smooth operation and extended component life.\u003c\/li\u003e\n\u003cli\u003eBlack Diamond toughness: High-strength material withstands impacts and heat, ideal for aggressive driving styles.\u003c\/li\u003e\n\u003cli\u003eOne-piece integrity: Eliminates splits for zero flex, delivering direct power to keep your momentum surging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis RLV offering helps racers by stabilizing the rear drive, which is vital for maintaining speed through rough sections or tight turns. The one-piece design simplifies your inventory – no halves to misplace, keeping pits tidy and focused.\u003c\/p\u003e\u003cp\u003eIn practice, it shines by cutting down on chain noise and slippage, allowing drivers to concentrate on lines rather than mechanics. For classes using #219 chains, 64T strikes a sweet spot for balanced ratios, aiding in quicker qualifying times.\u003c\/p\u003e\u003cp\u003eDon't settle for less when black diamond quality can elevate your game. It's the choice for those who race to win, providing the reliability that builds confidence lap after lap. SKU: BM21964 – diamond-hard drive for diamond results.\u003c\/p\u003e\u003cp\u003eIntegrate it and watch your kart transform into a track predator.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a one-piece sprocket over a split design?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The one-piece design eliminates potential weak points and splits, providing zero flex and superior structural integrity. This ensures direct power transfer and keeps your kart's drivetrain stable during high-speed cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this sprocket is specifically engineered for #219 pitch chains. Ensure your engine clutch and chain are also #219 compatible for proper fitment and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 64-tooth count affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 64T sprocket is often considered a \"sweet spot\" for many karting classes. It provides a balanced gear ratio that offers a strong compromise between acceleration out of tight turns and maintaining top-end speed on straights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of hooking or wear. Keep the sprocket clean and properly lubricated with a high-quality chain wax or lube to extend the life of both the sprocket and your #219 chain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sprocket for indoor and outdoor racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the high-strength Black Diamond material is designed to withstand the heat and impacts associated with both indoor and outdoor track conditions, making it a versatile choice for aggressive drivers.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21974-black-diamond-74t-219-sprocket-bm21974\"\u003eDurable Black Diamond 74T #219 Sprocket for Optimal Kart Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21972-black-diamond-72t-219-sprocket-bm21972\"\u003eUltimate Black Diamond 72-Tooth #219 Sprocket for Kart Mastery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598199614,"sku":"BM21964","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21964-black-diamond-64t-219-sprocket-bm21964.jpg?v=1763112537"},{"product_id":"bm21965-black-diamond-65t-219-sprocket-bm21965","title":"Reliable Black Diamond 65-Tooth #219 Sprocket for Kart Gearing","description":"\u003cp\u003eStep up your kart's capabilities with the Black Diamond 65T #219 sprocket, a one-piece engineering feat from RLV. This component's solidity ensures every rev counts toward forward motion.\u003c\/p\u003e\u003cp\u003eCore benefits unpacked:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e65 teeth engineering: Fine-tunes drive ratios for tracks favoring a blend of torque and speed, perfect for varied layouts.\u003c\/li\u003e\n\u003cli\u003eSuperior material strength: Black Diamond composition fights deformation, keeping chain tension ideal under load.\u003c\/li\u003e\n\u003cli\u003eUnified one-piece form: Boosts rigidity, reducing power-robbing harmonics for cleaner, faster runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers gain an edge through its ability to maintain alignment, which is crucial for precise corner exits. The #219 compatibility makes it a plug-and-play upgrade, organizing your setup without custom mods.\u003c\/p\u003e\u003cp\u003ePicture pushing harder into turns knowing your sprocket won't falter – that's the peace this provides. It also aids in heat management, preventing chain stretch from prolonged high-RPM use. For team logistics, its durability means fewer replacements, streamlining budgets and storage.\u003c\/p\u003e\u003cp\u003eThis sprocket empowers bolder strategies, like late braking for overtakes. In the competitive kart world, where seconds define success, it's invaluable. SKU: BM21965 – cut through the competition like a diamond.\u003c\/p\u003e\u003cp\u003eHarness its power to redefine your lap records.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 65-tooth sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this sprocket is specifically engineered for #219 pitch chains. Ensure your drive system is set up for #219 components before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing to a 65T sprocket affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 65-tooth sprocket is a popular choice for tracks that require a balance between acceleration and top-end speed. It provides more torque than smaller sprockets, helping you pull harder out of tight corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the benefits of the one-piece Black Diamond design?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The one-piece construction increases structural rigidity, which reduces power-robbing harmonics and ensures the sprocket maintains its shape under high-RPM stress, leading to more consistent chain tension.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation is straightforward as it is a direct-fit component. However, we recommend using a high-quality chain breaker, such as the RLV #219 chain breaker, to ensure your chain length is perfectly adjusted for the new gear ratio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain my sprocket for maximum longevity?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of hooking or wear. Keep your chain properly lubricated and tensioned to prevent premature deformation of the aluminum teeth, and always ensure the sprocket is perfectly aligned with the engine drive gear.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21970-black-diamond-70t-219-sprocket-bm21970\"\u003eStrong Black Diamond 70-Tooth #219 Sprocket for Kart Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21975-black-diamond-75t-219-sprocket-bm21975\"\u003eBlack Diamond 75T #219 Sprocket for Enhanced Kart Track Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598265150,"sku":"BM21965","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21965-black-diamond-65t-219-sprocket-bm21965.jpg?v=1763112538"},{"product_id":"bm21966-black-diamond-66t-219-sprocket-bm21966","title":"Premium Black Diamond 66-Tooth #219 One-Piece Kart Sprocket","description":"\u003cul\u003e\n\u003cli\u003e66-tooth precision: Tailored for enhanced top-speed potential while retaining strong low-end pull, suiting technical circuits.\u003c\/li\u003e\n\u003cli\u003eBlack Diamond resilience: Engineered to endure racing stresses, outlasting standard sprockets in harsh conditions.\u003c\/li\u003e\n\u003cli\u003eSeamless one-piece build: Ensures zero weak points, channeling force directly for responsive acceleration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis 66T sprocket from RLV redefines drive-line integrity, helping karts maintain pace in tight packs. Its robust design cuts down on maintenance interruptions, allowing more focus on tuning and driving.\u003c\/p\u003e\u003cp\u003eThe #219 chain synergy means smoother engagement, which translates to less pilot fatigue over long races. For pit crews, the one-piece nature simplifies inspections and swaps, keeping everything orderly amid event chaos.\u003c\/p\u003e\u003cp\u003eCompetitors using it highlight the stability it brings to rear setups, enabling aggressive throttle inputs without fear. It's a smart pick for evolving classes, where gear flexibility wins points. The material's heat tolerance keeps performance consistent, even in summer sprints.\u003c\/p\u003e\u003cp\u003eElevate from ordinary to extraordinary with this sprocket. SKU: BM21966 – diamond precision for your pursuit of victory.\u003c\/p\u003e\u003cp\u003eLet it propel you past the finish line first.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 66-tooth sprocket for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 66-tooth sprocket is an excellent choice for technical circuits. It provides a balance between strong low-end acceleration out of tight corners and the top-speed potential needed for shorter straightaways.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It is specifically designed for use with #219 racing chains. Ensure your engine drive gear (clutch or driver) is also #219 pitch to ensure proper engagement and prevent premature wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the one-piece design benefit my racing setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The one-piece construction eliminates potential weak points found in multi-piece or split sprockets. This design ensures better structural integrity, more efficient power transfer to the rear axle, and simplified maintenance during quick gear changes in the pits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain my Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of hooking or excessive wear. Keep your chain properly tensioned and lubricated, as a worn chain will accelerate the wear on your sprocket teeth. Clean the sprocket after race days to remove track debris and grit.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21971-black-diamond-71t-219-sprocket-bm21971\"\u003eAdvanced Black Diamond 71-Tooth #219 One-Piece Kart Sprocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21970-black-diamond-70t-219-sprocket-bm21970\"\u003eStrong Black Diamond 70-Tooth #219 Sprocket for Kart Power\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598297918,"sku":"BM21966","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21966-black-diamond-66t-219-sprocket-bm21966.jpg?v=1763112540"},{"product_id":"bm21967-black-diamond-67t-219-sprocket-bm21967","title":"RLV Black Diamond #219 Sprocket - 67T - Spec \u0026 Modified Karting","description":"\u003cp\u003eMaximizing torque transfer demands the highest quality \u003cstrong\u003eracing go kart parts\u003c\/strong\u003e, and the RLV Black Diamond 67-Tooth #219 Sprocket delivers the exact rotational efficiency required for high-RPM engines. Engineered from premium aerospace-grade aluminum alloy and treated with RLV's proprietary Black Diamond coating, this one-piece sprocket provides an unparalleled strength-to-weight ratio. The 67T configuration hits the sweet spot for medium-to-long circuits, allowing your engine to spool up rapidly out of tight hairpins while maintaining top-end speed down the straights. By minimizing chain drag and eliminating the flex found in inferior split sprockets, this unit ensures your rear axle receives every ounce of horsepower your engine produces.\u003c\/p\u003e\u003ch2\u003eOptimizing Chassis Dynamics: Go Kart Wheels Tires \u0026amp; Drivetrain\u003c\/h2\u003e\u003cp\u003eTranslating engine power to the tarmac requires a cohesive setup. The RLV Black Diamond sprocket works in perfect harmony with high-grip \u003cstrong\u003ego kart wheels tires\u003c\/strong\u003e, ensuring that the rotational mass remains balanced and unsprung weight is kept to an absolute minimum. Whether you are running a high-horsepower shifter or a spec 4-cycle class, maintaining a true chain path prevents binding and reduces the parasitic loss that robs you of lap time. For drivers who demand the absolute peak of performance, pairing this precision-machined sprocket with the \u003cstrong\u003ebest go kart tires for racing\u003c\/strong\u003e guarantees that your chassis will hook up instantly on corner exit without overwhelming the rear grip.\u003c\/p\u003e\u003ch2\u003eComplementing Brake Caliper Parts for Perfect Cornering\u003c\/h2\u003e\u003cp\u003eSpeed is only half the equation; deceleration and chassis stability dictate your corner entry. A true-running drivetrain reduces harmonic vibrations that can transfer through the axle and negatively impact your braking system. By running the RLV Black Diamond #219 sprocket, you ensure a smoother axle rotation, which allows your \u003cstrong\u003ebrake caliper parts\u003c\/strong\u003e and rotor to operate without lateral deflection. This translates to a firmer pedal feel and more consistent brake bias adjustments during deep trail-braking maneuvers.\u003c\/p\u003e\u003ch2\u003eEssential Gear for Your Trailer and Accessories\u003c\/h2\u003e\u003cp\u003eProfessional karting demands reliability, meaning less time wrenching in the pits and more time analyzing data. This sprocket's exceptional wear resistance makes it a staple in any serious racer's \u003cstrong\u003etrailer and accessories\u003c\/strong\u003e inventory. You won't be constantly swapping out chewed-up gears between heats.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e67-Tooth #219 Pitch:\u003c\/strong\u003e Optimized for mid-to-high speed tracks, delivering precise gear ratios for maximum RPM utilization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Diamond Hard Anodizing:\u003c\/strong\u003e Proprietary surface treatment drastically reduces friction and extends the lifespan of both the sprocket and the chain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Solid Construction:\u003c\/strong\u003e Eliminates the flex and misalignment commonly experienced with split-style sprockets under heavy torque loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Aluminum:\u003c\/strong\u003e Machined from ultra-lightweight billet alloy to reduce rotational mass and improve throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tooth Profiling:\u003c\/strong\u003e CNC-machined teeth ensure perfect roller engagement, minimizing chain slap and drivetrain drag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Hub Fitment:\u003c\/strong\u003e Designed to mount seamlessly onto standard metric and standard karting sprocket carriers without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Friction Operation:\u003c\/strong\u003e Keeps engine operating temperatures lower by reducing the mechanical resistance in the driveline.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a one-piece sprocket over a split sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One-piece sprockets like the RLV Black Diamond offer superior structural integrity. By eliminating the seams found in split designs, you remove potential flex points, ensuring a true chain path and more efficient power transfer to the rear axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with my current kart setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This unit features a universal hub fitment designed to mount seamlessly onto standard metric and standard karting sprocket carriers without the need for modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the Black Diamond coating benefit my drivetrain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The proprietary hard-anodized coating significantly reduces friction between the chain and the sprocket teeth. This not only extends the lifespan of your chain and sprocket but also helps lower operating temperatures by reducing mechanical drag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the advantage of the 67T configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 67-tooth count is specifically engineered for mid-to-long circuits. It provides an ideal balance, allowing for rapid acceleration out of tight corners while maintaining sufficient top-end speed on longer straights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain this sprocket for maximum longevity?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of wear or hooking. Keep the chain properly tensioned and lubricated to prevent premature wear on the precision-machined tooth profiles. Ensure the sprocket is perfectly aligned with your engine drive gear to avoid lateral stress.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21973-black-diamond-73t-219-sprocket-bm21973\"\u003eRLV Black Diamond 73T #219 Axle Sprocket - 7075-T6 Aluminum - Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21970-black-diamond-70t-219-sprocket-bm21970\"\u003eStrong Black Diamond 70-Tooth #219 Sprocket for Kart Power\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598330686,"sku":"BM21967","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21967-black-diamond-67t-219-sprocket-bm21967.jpg?v=1763112542"},{"product_id":"bm21969-black-diamond-69t-219-sprocket-bm21969","title":"Elite Black Diamond 69-Tooth #219 Sprocket for Kart Excellence","description":"\u003cul\u003e\n\u003cli\u003e69 teeth mastery: Provides nuanced ratio adjustments for specialized track demands, favoring endurance with speed.\u003c\/li\u003e\n\u003cli\u003eBlack Diamond excellence: Unmatched resistance to fatigue, ideal for prolonged, high-intensity sessions.\u003c\/li\u003e\n\u003cli\u003eOne-piece purity: Delivers uncompromised strength, ensuring every bit of power reaches the ground.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Black Diamond 69T #219 sprocket from RLV is a testament to thoughtful design, aiding karts in achieving fluid motion. It secures chain runs, essential for navigating complex courses confidently.\u003c\/p\u003e\u003cp\u003eOrganizationally, its single-unit form reduces parts count, simplifying transport and assembly for traveling teams. The #219 precision cuts operational noise, enhancing focus during critical moments.\u003c\/p\u003e\u003cp\u003eRacers leverage its stability for consistent sector times, turning close races into wins. The material's integrity supports heavier loads, suiting upgraded engines. In club or pro scenes, it's a reliable ally.\u003c\/p\u003e\u003cp\u003eChoose this for the wins that matter. SKU: BM21969 – diamond-cut for karting triumphs.\u003c\/p\u003e\u003cp\u003eElevate your ride to elite status.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a 69-tooth sprocket for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 69-tooth sprocket is ideal for fine-tuning your gear ratio. It provides a balance between acceleration and top-end speed, making it a versatile choice for tracks that require nuanced adjustments to maintain momentum through technical sections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It is specifically designed for use with #219 racing chains. Ensure your engine drive gear and chain are also #219 pitch for proper fitment and to prevent premature wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the Black Diamond material improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Black Diamond series is engineered for superior fatigue resistance. This material integrity ensures the sprocket maintains its tooth profile under high-intensity heat and load, providing consistent power transfer throughout long race sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the benefits of a one-piece sprocket design?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The one-piece construction offers uncompromised structural strength and reduces the total parts count. This simplifies your trackside maintenance and assembly, allowing for quicker gear changes when you need to adapt to changing track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should I maintain my RLV sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of hooking or excessive wear. Keep the sprocket clean of debris and ensure your chain is properly lubricated and tensioned, as a misaligned or overly tight chain will significantly reduce the lifespan of any aluminum sprocket.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21970-black-diamond-70t-219-sprocket-bm21970\"\u003eStrong Black Diamond 70-Tooth #219 Sprocket for Kart Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21971-black-diamond-71t-219-sprocket-bm21971\"\u003eAdvanced Black Diamond 71-Tooth #219 One-Piece Kart Sprocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21972-black-diamond-72t-219-sprocket-bm21972\"\u003eUltimate Black Diamond 72-Tooth #219 Sprocket for Kart Mastery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598461758,"sku":"BM21969","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21969-black-diamond-69t-219-sprocket-bm21969.jpg?v=1763112545"},{"product_id":"bm21970-black-diamond-70t-219-sprocket-bm21970","title":"Strong Black Diamond 70-Tooth #219 Sprocket for Kart Power","description":"\u003cp\u003ePower through with the Black Diamond 70T #219 sprocket, RLV's one-piece beacon of strength in karting. It transforms raw engine output into commanding presence.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e70-tooth versatility: Excels in speed-oriented setups, balancing pull with velocity for dynamic tracks.\u003c\/li\u003e\n\u003cli\u003eBlack Diamond robustness: Defies wear from chains and debris, sustaining performance over seasons.\u003c\/li\u003e\n\u003cli\u003eUnified construction: Locks out vibrations, providing crisp, direct drive feel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis sprocket stabilizes your kart's rear, crucial for holding leads in traffic. Its easy integration keeps setups orderly, from garage to grid.\u003c\/p\u003e\u003cp\u003eThe #219 optimization fosters even wear, extending intervals between changes. Drivers enjoy the planted feel, enabling riskier lines for gains. For logistics, it's a low-fuss essential.\u003c\/p\u003e\u003cp\u003eIn the fray, it delivers the edge for breakthroughs. SKU: BM21970 – black diamond drive for bold victories.\u003c\/p\u003e\u003cp\u003eSeize control and accelerate ahead.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 70-tooth sprocket for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 70-tooth sprocket is an excellent choice for speed-oriented setups. It provides a balanced gear ratio that helps maintain momentum on dynamic tracks, offering a great compromise between acceleration out of corners and top-end velocity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It is specifically designed for #219 racing chains. Ensure your engine clutch and chain are also #219 pitch to ensure proper fitment and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the Black Diamond construction improve durability?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Black Diamond series is engineered to resist the abrasive wear caused by high-tension chains and track debris. Its robust material composition ensures the teeth maintain their profile longer, providing consistent power transfer over multiple race seasons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the benefits of a one-piece sprocket design?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The unified, one-piece construction eliminates the potential for movement or play found in multi-piece designs. This results in a more direct drive feel and reduced vibration, which helps the driver maintain better control and stability in high-traffic racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your sprocket for \"hooking\" or thinning of the teeth before every race day. Because the #219 optimization promotes even wear, you will find longer intervals between changes, but regular visual checks are essential for safety and peak performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21969-black-diamond-69t-219-sprocket-bm21969\"\u003eElite Black Diamond 69-Tooth #219 Sprocket for Kart Excellence\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21972-black-diamond-72t-219-sprocket-bm21972\"\u003eUltimate Black Diamond 72-Tooth #219 Sprocket for Kart Mastery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598494526,"sku":"BM21970","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21970-black-diamond-70t-219-sprocket-bm21970.jpg?v=1763112546"},{"product_id":"bm21971-black-diamond-71t-219-sprocket-bm21971","title":"Advanced Black Diamond 71-Tooth #219 One-Piece Kart Sprocket","description":"\u003cp\u003eAdvance your arsenal with the Black Diamond 71T #219 sprocket, where RLV's one-piece precision fuels kart supremacy. It's built for those who demand more.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e71 teeth innovation: Targets high-end velocity, ideal for flat-out sections demanding relentless pace.\u003c\/li\u003e\n\u003cli\u003eBlack Diamond endurance: Withstands extreme forces, keeping your drive intact through battles.\u003c\/li\u003e\n\u003cli\u003eSingle-piece reliability: Ensures flawless alignment, maximizing every ounce of thrust.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEnhance kart stability for superior corner speeds and exits. The design promotes tidy assemblies, easing race-day prep.\u003c\/p\u003e\u003cp\u003e#219 chain harmony reduces slippage risks, boosting confidence in pushes. Teams appreciate the simplicity in maintenance.\u003c\/p\u003e\u003cp\u003eThis sprocket turns speed into strategy. SKU: BM21971 – diamond-sharp for kart conquests.\u003c\/p\u003e\u003cp\u003eRace with the best, finish first.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 71-tooth sprocket for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 71-tooth sprocket is designed to optimize your gear ratio for high-end velocity. It is an excellent choice for tracks with long straightaways where you need to maintain a relentless pace and maximize top-end speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It is specifically engineered to work with #219 pitch chains. Ensure your engine clutch and axle drive system are also set up for #219 components to ensure proper tooth engagement and chain harmony.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the one-piece design benefit my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The one-piece construction ensures flawless alignment between the sprocket and the chain. This reduces friction, minimizes the risk of chain derailment, and ensures that every ounce of engine power is efficiently transferred to the rear wheels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maximize the lifespan of your sprocket, regularly inspect the teeth for signs of hooking or wear. Keep the chain properly lubricated and tensioned according to your chassis manufacturer's specifications to prevent premature wear on both the sprocket and the chain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sprocket for both sprint and endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Black Diamond series is built for endurance. Its high-strength material is designed to withstand the extreme forces and heat generated during long race sessions, making it a reliable choice for both sprint and endurance karting.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21972-black-diamond-72t-219-sprocket-bm21972\"\u003eUltimate Black Diamond 72-Tooth #219 Sprocket for Kart Mastery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21970-black-diamond-70t-219-sprocket-bm21970\"\u003eStrong Black Diamond 70-Tooth #219 Sprocket for Kart Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598527294,"sku":"BM21971","price":29.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21971-black-diamond-71t-219-sprocket-bm21971.jpg?v=1763112547"},{"product_id":"bm21972-black-diamond-72t-219-sprocket-bm21972","title":"Ultimate Black Diamond 72-Tooth #219 Sprocket for Kart Mastery","description":"\u003cul\u003e\n\u003cli\u003e72-tooth pinnacle: Maximizes top-end rush, suiting speedway specialists chasing records.\u003c\/li\u003e\n\u003cli\u003eBlack Diamond supremacy: Unrivaled toughness against all track adversities.\u003c\/li\u003e\n\u003cli\u003eOne-piece mastery: Pure, unyielding power conduit for decisive edges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Black Diamond 72T #219 sprocket by RLV empowers karts to soar, securing drives for flawless execution. It fosters organized, pro-grade configurations.\u003c\/p\u003e\u003cp\u003eSeamless #219 integration quells disturbances, honing focus for drivers. Its longevity streamlines operations.\u003c\/p\u003e\u003cp\u003eClaim dominance with this elite piece. SKU: BM21972 – ultimate diamond for kart legends.\u003c\/p\u003e\u003cp\u003eMaster the track, own the race.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a 72-tooth sprocket for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 72-tooth sprocket is designed to maximize your top-end speed. It is an ideal choice for speedway specialists and racers looking to optimize their gear ratio for high-speed tracks and record-chasing performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with my current chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is a #219 pitch sprocket. It is specifically engineered for #219 chain systems, which are standard in many high-performance karting classes. Ensure your chain is also #219 pitch for proper fitment and to prevent premature wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the Black Diamond material improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Black Diamond series is known for its unrivaled toughness. This one-piece construction provides a rigid, unyielding power conduit from your engine to the axle, ensuring efficient power transfer and long-lasting durability against track debris and racing stress.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for this sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maintain peak performance, regularly inspect the teeth for signs of hooking or wear. Keep your #219 chain properly lubricated and tensioned, as a misaligned or loose chain can accelerate wear on the sprocket teeth.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21971-black-diamond-71t-219-sprocket-bm21971\"\u003eAdvanced Black Diamond 71-Tooth #219 One-Piece Kart Sprocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21973-black-diamond-73t-219-sprocket-bm21973\"\u003eRLV Black Diamond 73T #219 Axle Sprocket - 7075-T6 Aluminum - Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21974-black-diamond-74t-219-sprocket-bm21974\"\u003eDurable Black Diamond 74T #219 Sprocket for Optimal Kart Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598592830,"sku":"BM21972","price":29.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21972-black-diamond-72t-219-sprocket-bm21972.jpg?v=1763112548"},{"product_id":"bm21974-black-diamond-74t-219-sprocket-bm21974","title":"Durable Black Diamond 74T #219 Sprocket for Optimal Kart Acceleration","description":"\u003cstrong\u003eUnlock superior drivetrain efficiency\u003c\/strong\u003e with the Black Diamond 74T #219 Sprocket, tailored for kart racers who demand nothing less than peak performance on every lap. This component transforms how power flows from your engine to the wheels, offering a slight increase in top speed compared to smaller tooth counts while maintaining agile handling.\u003cp\u003eKey advantages include its lightweight yet tough build, which resists deformation under stress, and a precision-machined profile that ensures even chain wear. Racers often pair it with mid-range engines to achieve that sweet spot in gearing, where acceleration meets sustained velocity without bogging down.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnhanced tooth geometry for quieter operation and reduced noise on the track.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard #219 chains, making swaps quick and hassle-free.\u003c\/li\u003e\n\u003cli\u003eProven in endurance races, it withstands heat and torque without compromising integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePicture yourself pulling away from competitors at the start line, the sprocket's reliable grip translating every bit of horsepower into forward motion. For teams focused on data-driven setups, this 74T option provides measurable improvements in lap consistency, helping you analyze and refine your racing strategy. It's the kind of upgrade that turns good runs into great ones, keeping your kart organized and ready for any challenge.\u003c\/p\u003e\u003cp\u003eBeyond raw speed, this sprocket aids in overall track organization by simplifying gear changes during practice sessions, so you can experiment without constant adjustments. Embrace the difference quality makes in karting.\u003c\/p\u003e\u003cp\u003eSKU: BM21974\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with my current chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is a #219 pitch sprocket. It is designed specifically for use with standard #219 racing chains. Please ensure your engine drive gear and chain are also #219 pitch for proper fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing to a 74T sprocket affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Moving to a 74T sprocket provides a balance between acceleration and top-end speed. It is an excellent choice for mid-range engines, helping you find the \"sweet spot\" where you can pull hard out of corners without sacrificing too much velocity on the straights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To ensure longevity, regularly inspect the teeth for signs of hooking or uneven wear. Keep the sprocket clean of track debris and ensure your chain tension is set correctly, as an overly tight chain can cause premature wear on both the sprocket and the engine bearings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sprocket for endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Black Diamond series is engineered to withstand the high heat and torque demands of endurance racing. Its precision-machined profile and durable material are designed to maintain integrity over long sessions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21975-black-diamond-75t-219-sprocket-bm21975\"\u003eBlack Diamond 75T #219 Sprocket for Enhanced Kart Track Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21973-black-diamond-73t-219-sprocket-bm21973\"\u003eRLV Black Diamond 73T #219 Axle Sprocket - 7075-T6 Aluminum - Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598723902,"sku":"BM21974","price":29.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21974-black-diamond-74t-219-sprocket-bm21974.jpg?v=1763112551"},{"product_id":"bm21975-black-diamond-75t-219-sprocket-bm21975","title":"Black Diamond 75T #219 Sprocket for Enhanced Kart Track Performance","description":"\u003cem\u003eWhy settle for average when you can gear up for victory?\u003c\/em\u003e The Black Diamond 75T #219 Sprocket redefines reliability in kart drivetrains, providing a robust solution that enhances your machine's ability to conquer varied track layouts with ease. Its larger tooth count supports higher cruising speeds, perfect for longer straights where maintaining velocity is key to overtaking rivals.\u003cp\u003eThis sprocket excels in promoting efficient energy transfer, cutting down on power loss that plagues lesser components. With a focus on longevity, it's built to endure the rigors of multiple race weekends, saving you time and effort in the garage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuperior material composition fights corrosion and fatigue for season-long use.\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation fits most standard kart frames without modifications.\u003c\/li\u003e\n\u003cli\u003eBalances acceleration and top-end speed for versatile racing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEnvision navigating a chicane with confidence, knowing your sprocket won't falter under pressure. For pit crews, it streamlines maintenance routines, keeping tools and parts organized so you're always race-ready. This level of performance isn't just about speed—it's about creating a seamless, distraction-free experience on the circuit.\u003c\/p\u003e\u003cp\u003eIn karting circles, where precision tuning is everything, the 75T Black Diamond stands as a benchmark for quality. It empowers you to push boundaries, experiment with setups, and ultimately cross the finish line ahead of the pack.\u003c\/p\u003e\u003cp\u003eSKU: BM21975\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 75T #219 sprocket is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Choosing the right tooth count depends on your engine, track length, and desired power band. A 75T sprocket is a popular choice for balancing acceleration out of corners with top-end speed on straights. If you find your engine is hitting the rev limiter too early, you may need a smaller sprocket; if you lack acceleration, you may need a larger one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It must be used with a #219 pitch chain. It is not compatible with #35 pitch chains, which are common in different karting classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your sprocket before every race weekend. Look for signs of \"hooking\" or thinning on the teeth, which indicates wear. Replacing a worn sprocket helps prevent chain derailment and ensures efficient power transfer to the rear axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the installation process difficult?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Black Diamond sprocket is designed for a standard bolt-on installation. Ensure your axle sprocket carrier is clean and free of debris before mounting. Always check that your chain alignment is perfectly straight after installation to prevent premature wear on both the sprocket and the chain.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21974-black-diamond-74t-219-sprocket-bm21974\"\u003eDurable Black Diamond 74T #219 Sprocket for Optimal Kart Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21973-black-diamond-73t-219-sprocket-bm21973\"\u003eRLV Black Diamond 73T #219 Axle Sprocket - 7075-T6 Aluminum - Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598756670,"sku":"BM21975","price":29.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21975-black-diamond-75t-219-sprocket-bm21975.jpg?v=1763112552"},{"product_id":"bm21976-black-diamond-76t-219-sprocket-bm21976","title":"RLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha","description":"\u003cp\u003eMaximizing power transfer to the rear axle of your kart requires precision-machined racing gear that won't deflect under heavy load. The RLV Black Diamond 76T #219 Sprocket delivers uncompromising durability and exact chain alignment for high-torque applications. Built for the grueling demands of competitive sprint racing, this one-piece sprocket is engineered from aerospace-grade 7075-T6 aluminum, providing the ultimate foundation for reliable power delivery session after session.\u003c\/p\u003e\u003ch2\u003eOptimizing Drive-Line Efficiency Beyond Clutch Assembly Upgrades\u003c\/h2\u003e\u003cp\u003eMany drivers focus solely on their engine build, but translating raw output into forward momentum requires a bulletproof drive-line. Whether you are running a high-revving 2-cycle or trying to maximize every ounce of briggs and stratton lo206 horsepower, this 76-tooth sprocket ensures zero energy is wasted. The proprietary Black Diamond hard-anodized coating drastically reduces chain friction, allowing your clutch assembly to engage smoothly and transfer torque instantaneously to the track surface without parasitic drag.\u003c\/p\u003e\u003ch2\u003eConsistent Performance: From Brake Discs to Rear Axle\u003c\/h2\u003e\u003cp\u003eReliability is the cornerstone of any championship-winning chassis setup. Just as you depend on fade-free brake discs to dive deep into the apex, you need a rear sprocket that won't prematurely wear or warp under aggressive acceleration. The RLV Black Diamond series undergoes rigorous metallurgical treatments to withstand extreme temperatures and lateral loads. This means fewer thrown chains, zero mid-race mechanical failures, and a consistent gear mesh that lasts an entire season of hard racing.\u003c\/p\u003e\u003ch2\u003eTrack-Tested Reliability Alongside Your Go Kart Tires\u003c\/h2\u003e\u003cp\u003eYour setup is only as strong as its weakest link. When your fresh go kart tires bite into the asphalt, the sudden shock-load travels directly through your chain and sprocket. The RLV 76T #219 sprocket is purpose-built to handle these violent torque spikes. Its precision-machined tooth profile guarantees that the chain rollers seat perfectly every time, preventing the micro-binding that causes premature wear. Equip your chassis with a sprocket designed for the podium.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7075-T6 Aerospace Aluminum:\u003c\/strong\u003e Yields exceptional tensile strength to resist bending during aggressive curb strikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Diamond Hard Anodizing:\u003c\/strong\u003e Drastically reduces friction and extends tooth life far beyond standard aluminum sprockets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision #219 Pitch Profile:\u003c\/strong\u003e Ensures flawless chain engagement, minimizing rolling resistance and parasitic drag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized 76-Tooth Count:\u003c\/strong\u003e Ideal for dialing in specific gear ratios for medium-to-short sprint tracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight One-Piece Design:\u003c\/strong\u003e Reduces rotating mass on the axle without sacrificing structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Heat Dissipation:\u003c\/strong\u003e Maintains dimensional stability even when track temperatures soar during long mains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Carrier Fitment:\u003c\/strong\u003e Mounts seamlessly to standard 6-bolt sprocket hubs for quick trackside gear changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with my #35 chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This is a #219 pitch sprocket. It is specifically designed for #219 racing chains. Please ensure your clutch and engine drive gear are also set up for #219 pitch to ensure proper engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if a 76T sprocket is the right size for my track?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Gearing is track-dependent. A 76T sprocket is generally used for medium-to-short sprint tracks. If you find your engine is hitting the rev limiter too early on the straights, you may need a smaller tooth count; if you are lacking acceleration out of corners, you may need a larger tooth count.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this sprocket fit all standard kart axle hubs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this sprocket features a universal 6-bolt pattern designed to mount seamlessly to standard racing kart sprocket carriers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should I maintain my Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e After each race day, inspect the teeth for signs of hooking or excessive wear. Clean the sprocket with a degreaser to remove track debris and apply a high-quality chain lubricant to the chain to minimize friction and extend the life of the hard-anodized coating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose 7075-T6 aluminum over steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 7075-T6 aluminum offers an excellent strength-to-weight ratio. It significantly reduces rotating mass on your rear axle compared to steel, allowing for quicker acceleration and better throttle response, which is critical in classes like the LO206.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21977-black-diamond-77t-219-sprocket-bm21977\"\u003eBlack Diamond 77T #219 Sprocket for Superior Kart Racing Efficiency\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21975-black-diamond-75t-219-sprocket-bm21975\"\u003eBlack Diamond 75T #219 Sprocket for Enhanced Kart Track Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21973-black-diamond-73t-219-sprocket-bm21973\"\u003eRLV Black Diamond 73T #219 Axle Sprocket - 7075-T6 Aluminum - Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598789438,"sku":"BM21976","price":29.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21976-black-diamond-76t-219-sprocket-bm21976.jpg?v=1763112553"},{"product_id":"bm21977-black-diamond-77t-219-sprocket-bm21977","title":"Black Diamond 77T #219 Sprocket for Superior Kart Racing Efficiency","description":"\u003cp\u003eEngineered for the thrill of the race, the Black Diamond 77T #219 Sprocket empowers your kart to deliver power with surgical precision. As you push through gears, this sprocket ensures every rotation counts, offering a harmonious blend of torque and velocity that can redefine your competitive edge.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvanced heat treatment enhances wear resistance for prolonged track use.\u003c\/li\u003e\n\u003cli\u003eSmooth tooth engagement reduces noise and vibration, improving driver comfort.\u003c\/li\u003e\n\u003cli\u003eIdeal for setups requiring moderate top speeds with strong low-end pull.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIts robust construction means less frequent replacements, allowing more focus on practice and strategy. Kart owners appreciate how it integrates seamlessly into existing systems, maintaining a clutter-free pit area and streamlining race prep.\u003c\/p\u003e\u003cp\u003eConsider the scenarios where a reliable sprocket makes all the difference: bursting from the grid or sustaining pace in a tight pack. This 77T variant excels there, providing the consistency needed to outmaneuver opponents. For those invested in karting's technical side, it's a cornerstone for experimenting with ratios that suit your style.\u003c\/p\u003e\u003cp\u003eIn essence, choosing this Black Diamond piece is choosing efficiency—faster laps, organized maintenance, and the satisfaction of a well-tuned machine ready to dominate.\u003c\/p\u003e\u003cp\u003eSKU: BM21977\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 77T #219 sprocket is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Choosing the right tooth count depends on your engine, track layout, and desired performance. A 77T sprocket is generally used to provide a strong balance between low-end acceleration and top-end speed. If you are currently hitting your rev limiter too early, you may need a smaller sprocket; if you are struggling to pull out of corners, a larger sprocket may be required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with #35 chain systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This is a #219 pitch sprocket and is only compatible with #219 racing chains. Using a #35 chain on a #219 sprocket will cause severe damage to both the chain and the sprocket teeth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of \"hooking\" or excessive wear. Keep the sprocket clean of debris and ensure your chain is properly lubricated and tensioned. Proper alignment between the engine drive gear and the axle sprocket is critical to extending the life of the sprocket and preventing chain derailment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this sprocket myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, installation is straightforward for those familiar with kart maintenance. Ensure your axle is clean, slide the sprocket onto the hub, and tighten the mounting hardware to the manufacturer's recommended torque specifications. Always double-check your chain alignment after installation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21978-black-diamond-78t-219-sprocket-bm21978\"\u003eRobust Black Diamond 78T #219 Sprocket for Kart Speed Optimization\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21979-black-diamond-79t-219-sprocket-bm21979\"\u003eRLV Black Diamond 79T #219 Sprocket - Aluminum Drivetrain Gear - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598822206,"sku":"BM21977","price":29.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21977-black-diamond-77t-219-sprocket-bm21977.jpg?v=1763112555"},{"product_id":"bm21978-black-diamond-78t-219-sprocket-bm21978","title":"Robust Black Diamond 78T #219 Sprocket for Kart Speed Optimization","description":"Discover the power of incremental upgrades: the Black Diamond 78T #219 Sprocket takes your kart's drivetrain to new heights, focusing on seamless power propagation that translates to tangible speed gains. Perfect for circuits with extended straights, it allows your engine to breathe freely at peak RPMs.\u003cp\u003e\u003cstrong\u003eStandout features\u003c\/strong\u003e include corrosion-resistant coating and exacting tolerances that keep chains aligned, preventing costly slips mid-race.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptimized for high-torque applications without flexing or warping.\u003c\/li\u003e\n\u003cli\u003eContributes to fuel efficiency by reducing driveline drag.\u003c\/li\u003e\n\u003cli\u003eQuick compatibility check with #219 systems for easy upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers find that this sprocket not only accelerates their kart but also organizes their setup process, with its no-fuss mounting that saves precious setup time. Imagine the confidence of knowing your components are synced perfectly, letting you concentrate on perfecting lines and braking points.\u003c\/p\u003e\u003cp\u003eFor endurance-focused drivers, the 78T model's resilience means fewer interruptions, keeping your race calendar on track. It's a smart choice for anyone aiming to build a faster, more dependable machine.\u003c\/p\u003e\u003cp\u003eSKU: BM21978\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 78T sprocket compatible with my #35 chain system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It is specifically designed for #219 chain systems and will not seat correctly with #35 chains. Please ensure your entire drivetrain is #219 compatible before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing to a 78T sprocket affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Moving to a 78T sprocket is a common adjustment for circuits with longer straights. It generally allows the engine to reach its peak RPM more effectively, helping you maintain higher top-end speeds compared to larger tooth counts that favor low-end acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the corrosion-resistant coating adds durability, you should regularly inspect the teeth for signs of hooking or wear. Always ensure your chain is properly tensioned and aligned to prevent premature wear on both the sprocket and the chain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket difficult to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Not at all. The Black Diamond sprocket is designed for a no-fuss, direct-fit installation. Ensure your axle is clean and the sprocket is properly centered and tightened to the manufacturer's torque specifications to prevent any wobbling during high-speed operation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21979-black-diamond-79t-219-sprocket-bm21979\"\u003eRLV Black Diamond 79T #219 Sprocket - Aluminum Drivetrain Gear - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21977-black-diamond-77t-219-sprocket-bm21977\"\u003eBlack Diamond 77T #219 Sprocket for Superior Kart Racing Efficiency\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21980-black-diamond-80t-219-sprocket-bm21980\"\u003ePremium Black Diamond 80T #219 Sprocket for Kart Top-Speed Boost\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598887742,"sku":"BM21978","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21978-black-diamond-78t-219-sprocket-bm21978.jpg?v=1763112556"},{"product_id":"bm21979-black-diamond-79t-219-sprocket-bm21979","title":"RLV Black Diamond 79T #219 Sprocket - Aluminum Drivetrain Gear - All Classes","description":"Precision power transfer defines elite go kart performance, and the RLV Black Diamond 79T #219 Sprocket delivers the unyielding durability required to dominate demanding track layouts. Engineered from high-grade, hardened aluminum, this 79-tooth gear withstands the brutal torque loads of competitive racing. When you are pushing your chassis to the absolute limit, component failure is not an option. The Black Diamond series utilizes an advanced anodized coating that drastically reduces friction and chain wear, ensuring your drivetrain remains bulletproof from the green flag to the final lap.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eOptimizing Your Setup: Beyond Go Kart Tires and Race Wheels\u003c\/h2\u003e\u003cbr\u003eWhile many drivers focus heavily on suspension geometry, sticky go kart tires, or finding the perfect race wheel, true drivetrain harmony dictates your exit speed. The RLV Black Diamond sprocket features a precision-machined tooth profile that guarantees flawless chain engagement. This minimizes parasitic power loss and provides a hyper-responsive throttle feel. Whether you are dialing in your gear ratio for a tight sprint track or a sweeping road course, this 79T sprocket offers the exact mechanical advantage needed to out-accelerate the pack.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eUnmatched Reliability for Every Go Kart Steering Wheel Upgrade\u003c\/h2\u003e\u003cbr\u003eA responsive chassis demands equally responsive power delivery. If you've recently invested in a go kart steering wheel upgrade to enhance your tactile feedback, pairing it with a slop-free drivetrain is the next logical step. The rigid, one-piece construction of the RLV Black Diamond prevents flex under heavy acceleration, translating every ounce of engine output directly to the asphalt. Built for mechanics who demand consistency and drivers who demand speed, this sprocket is the ultimate reliability modification.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Aluminum Construction:\u003c\/strong\u003e Resists wear and prevents tooth deformation under extreme racing loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision #219 Pitch:\u003c\/strong\u003e Machined to exact tolerances for seamless chain engagement and reduced friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e79-Tooth Geometry:\u003c\/strong\u003e Perfect for fine-tuning gear ratios on technical tracks requiring rapid acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Diamond Anodized Finish:\u003c\/strong\u003e Provides a low-friction, corrosion-resistant surface that extends component lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Rigid Design:\u003c\/strong\u003e Eliminates flex and maintains structural integrity during aggressive standing starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Reduces drivetrain slop to perfectly complement a high-performance kart steering wheel setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Profile:\u003c\/strong\u003e Minimizes rotating mass without sacrificing the heavy-duty reliability competitive racers demand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I determine if the 79T sprocket is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Choosing the right tooth count depends on your engine, track length, and desired power band. A 79T sprocket is generally used to increase acceleration on tighter, technical tracks. If you find you are hitting your rev limiter too early on straights, you may need to gear down to a smaller sprocket; if you are struggling to pull out of corners, a larger sprocket like this 79T is an excellent choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with #35 chain systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This is a #219 pitch sprocket and is only compatible with #219 pitch chains. Using a #35 chain on a #219 sprocket will cause severe damage to the teeth and lead to chain derailment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my aluminum sprocket for wear?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your sprocket before every race day. Look for \"hooking\" or thinning of the teeth, which indicates the sprocket is reaching the end of its service life. Because this is high-grade aluminum, it is lighter than steel but will wear faster; keeping your chain properly lubricated and tensioned will significantly extend the life of the teeth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation requires standard axle sprocket mounting hardware. Ensure your sprocket carrier is clean and free of debris before mounting. Always use a high-quality chain breaker to ensure your #219 chain is sized correctly for the new gear ratio.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21980-black-diamond-80t-219-sprocket-bm21980\"\u003ePremium Black Diamond 80T #219 Sprocket for Kart Top-Speed Boost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21978-black-diamond-78t-219-sprocket-bm21978\"\u003eRobust Black Diamond 78T #219 Sprocket for Kart Speed Optimization\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21976-black-diamond-76t-219-sprocket-bm21976\"\u003eRLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 \/ Yamaha\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598953278,"sku":"BM21979","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21979-black-diamond-79t-219-sprocket-bm21979.jpg?v=1763112557"},{"product_id":"bm21980-black-diamond-80t-219-sprocket-bm21980","title":"Premium Black Diamond 80T #219 Sprocket for Kart Top-Speed Boost","description":"What if a single component could unlock your kart's full velocity? The Black Diamond 80T #219 Sprocket does just that, serving as a cornerstone for high-speed karting where every tooth matters in propelling you forward. Its expansive design caters to tracks favoring outright pace, allowing sustained high RPMs without compromise.\u003cp\u003e\u003cem\u003eDurability redefined:\u003c\/em\u003e Forged to resist impacts and thermal stress, it keeps your setup performing lap after lap.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntegral keyway for secure hub attachment, eliminating wobble.\u003c\/li\u003e\n\u003cli\u003eCompatible with aftermarket chains for custom builds.\u003c\/li\u003e\n\u003cli\u003ePromotes efficient cooling by minimizing frictional heat buildup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePit pros love how it organizes gear trials, with clear sizing that avoids mix-ups during frantic changes. The result is a kart that's not only faster but also easier to manage, freeing mental space for race tactics.\u003c\/p\u003e\u003cp\u003eIn the heat of competition, this sprocket's reliability shines, enabling bold moves like late braking or drafting at limits. Elevate from contender to champion with this essential upgrade.\u003c\/p\u003e\u003cp\u003eSKU: BM21980\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 80T #219 sprocket is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Choosing the right tooth count depends on your engine, track layout, and desired power band. An 80T sprocket is typically used to increase acceleration out of corners or to compensate for specific track lengths. Always check your gear chart to ensure this ratio aligns with your engine's RPM range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with #35 chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This is a #219 pitch sprocket and is only compatible with #219 racing chains. Using a #35 chain will result in improper fitment and potential drivetrain failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure the sprocket is installed securely?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Black Diamond sprocket features an integral keyway designed for a precise fit on your axle hub. Ensure your hub key is in good condition and tighten the sprocket bolts in a star pattern to ensure even pressure and eliminate any wobble.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for an aluminum sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of \"hooking\" or excessive wear, which indicates the sprocket is nearing the end of its life. Keep the sprocket clean of debris and ensure your chain is properly lubricated and tensioned to extend the life of both the sprocket and the chain.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21979-black-diamond-79t-219-sprocket-bm21979\"\u003eRLV Black Diamond 79T #219 Sprocket - Aluminum Drivetrain Gear - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21981-black-diamond-81t-219-sprocket-bm21981\"\u003eRLV Black Diamond #219 Sprocket - 81 Tooth - All Karting Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21982-black-diamond-82t-219-sprocket-bm21982\"\u003eDurable Black Diamond 82T #219 Sprocket for Kart Endurance Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562598986046,"sku":"BM21980","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21980-black-diamond-80t-219-sprocket-bm21980.jpg?v=1763112559"},{"product_id":"bm21981-black-diamond-81t-219-sprocket-bm21981","title":"RLV Black Diamond #219 Sprocket - 81 Tooth - All Karting Classes","description":"\u003cp\u003eMaximizing your drive-line efficiency with premium racing parts is the ultimate key to dominating the track, and the RLV Black Diamond 81T #219 Sprocket delivers exactly that. Engineered for precision kart gear tuning, this 81-tooth sprocket optimizes velocity retention and acceleration out of tight corners. By utilizing an advanced anti-slip surface treatment, it guarantees unwavering chain contact under extreme loads, ensuring that your engine's power transfers seamlessly to the rear axle without parasitic loss. Every fraction of a horsepower matters in competitive racing, and this sprocket ensures your engine output is translated directly into forward momentum.\u003c\/p\u003e\u003ch2\u003eSynergy Beyond the Drive-Line: From Go Kart Seats to Brake Pistons\u003c\/h2\u003e\u003cp\u003eA perfectly tuned gear ratio is only one piece of the chassis setup puzzle. When you pair the aggressive acceleration profile of this 81T sprocket with properly bedded brake pistons, you achieve a kart that dives into corners deep and powers out instantly. Furthermore, maintaining a low center of gravity with ergonomically mounted go kart seats ensures the chassis flexes correctly, allowing the Black Diamond sprocket to maintain perfect chain alignment even under heavy lateral G-forces.\u003c\/p\u003e\u003ch2\u003eOutperforming a Standard Go Kart Torque Converter\u003c\/h2\u003e\u003cp\u003eUnlike recreational setups that rely on a sluggish go kart torque converter, competitive sprint karts demand the immediate, 1:1 throttle response provided by a fixed #219 chain and sprocket drive. The RLV Black Diamond series is machined with balanced weight distribution to prevent rotational imbalance at high RPMs. This translates to a vibration-free driveline, giving drivers heightened tactile feedback—essential when you're pushing the limits of grip.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Track-Proven Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e81-Tooth Precision Machining:\u003c\/strong\u003e Delivers exact gear ratios for tracks demanding high top-end speed retention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Diamond Anti-Slip Coating:\u003c\/strong\u003e Reduces friction and chain wear for extended racing sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Rotational Mass:\u003c\/strong\u003e Balanced weight distribution eliminates high-speed chassis vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal #219 Chain Compatibility:\u003c\/strong\u003e Fits standard sprint and hybrid engine configurations effortlessly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Durability:\u003c\/strong\u003e Resists warping and deflection during aggressive curb strikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelemetry-Ready Consistency:\u003c\/strong\u003e Provides a stable baseline for data-savvy racers analyzing RPM drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Pit Swaps:\u003c\/strong\u003e Designed for quick gear changes to adapt to shifting track conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are finalizing a complete chassis overhaul, dialing in your front-end geometry, or just completing a go kart steering wheel upgrade for better tactile control, your drive-line dictates your ultimate lap time. A kart that responds intuitively to driver inputs requires components that refuse to compromise under pressure. Step up your telemetry analysis, reduce your pit maintenance cycles, and craft a setup built for absolute track supremacy. Equip the RLV Black Diamond 81T and experience the difference that professional-grade machining makes on race day.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I determine if an 81-tooth sprocket is the right size for my track?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Gear selection depends on your engine's power band and the track layout. An 81T sprocket provides more torque for acceleration, making it ideal for tight, technical tracks with many low-speed corners. If you find you are hitting your rev limiter too early on long straights, you may need to switch to a smaller tooth count.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the RLV Black Diamond sprocket compatible with all #219 chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this sprocket is precision-machined for standard #219 pitch chains. Ensure your chain is properly lubricated and tensioned to match the sprocket teeth for maximum longevity and power transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my sprocket for wear?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your sprocket before every race day. Look for \"hooking\" or thinning of the teeth, which indicates the sprocket is nearing the end of its service life. Replacing a worn sprocket prevents premature chain failure and ensures consistent power delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sprocket for both sprint and endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. The Black Diamond anti-slip coating is designed to withstand the heat and friction of extended racing sessions, making it a durable choice for both sprint heats and longer endurance events.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21980-black-diamond-80t-219-sprocket-bm21980\"\u003ePremium Black Diamond 80T #219 Sprocket for Kart Top-Speed Boost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21982-black-diamond-82t-219-sprocket-bm21982\"\u003eDurable Black Diamond 82T #219 Sprocket for Kart Endurance Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21979-black-diamond-79t-219-sprocket-bm21979\"\u003eRLV Black Diamond 79T #219 Sprocket - Aluminum Drivetrain Gear - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562599018814,"sku":"BM21981","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21981-black-diamond-81t-219-sprocket-bm21981.jpg?v=1763112560"},{"product_id":"bm21982-black-diamond-82t-219-sprocket-bm21982","title":"Durable Black Diamond 82T #219 Sprocket for Kart Endurance Racing","description":"In the relentless world of karting, endurance is key—enter the Black Diamond 82T #219 Sprocket, built to endure while elevating your kart's pace. This component's larger size facilitates gearing for sustained high speeds, crucial for multi-lap battles where consistency wins.\u003cp\u003eExceptional qualities shine through its reinforced structure, which absorbs shocks from rough surfaces without deforming, ensuring uninterrupted performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnhanced lubrication channels to cut down on wear over time.\u003c\/li\u003e\n\u003cli\u003eUniversal fit for popular kart models, easing replacements.\u003c\/li\u003e\n\u003cli\u003eContributes to quieter operation for focused driving.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOrganizing your pit with this sprocket means less clutter from mismatched parts, allowing quick pivots to different track conditions. It's the backbone for strategies that rely on steady pacing to wear down competitors.\u003c\/p\u003e\u003cp\u003eEnthusiasts note how it transforms handling, providing the stability to execute passes with precision. Invest in longevity and speed with this Black Diamond standout.\u003c\/p\u003e\u003cp\u003eSKU: BM21982\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose an 82T sprocket for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e An 82T sprocket is a larger gear size, which is typically used to adjust your kart's final drive ratio for endurance racing. It helps maintain consistent high speeds and allows for better acceleration out of corners, which is vital for multi-lap consistency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with my #219 chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this Black Diamond sprocket is specifically engineered for #219 pitch chains, which are the standard for most high-performance sprint and endurance karting applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain my Black Diamond sprocket to ensure longevity?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of hooking or excessive wear. Keep the sprocket clean and ensure your chain is properly lubricated. The enhanced lubrication channels on this model help reduce friction, but keeping the drivetrain free of debris will significantly extend the life of both your sprocket and chain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sprocket for different track conditions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. Having a variety of sprocket sizes in your pit allows you to quickly pivot your gearing strategy based on track length, layout, and grip levels to optimize your engine's power band.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21981-black-diamond-81t-219-sprocket-bm21981\"\u003eRLV Black Diamond #219 Sprocket - 81 Tooth - All Karting Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21983-black-diamond-83t-219-sprocket-bm21983\"\u003eBlack Diamond 83T #219 Sprocket for High-Performance Kart Setups\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21985-black-diamond-85t-219-sprocket-bm21985\"\u003eBlack Diamond 85T #219 Sprocket for Ultimate Kart Speed Dominance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562599084350,"sku":"BM21982","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21982-black-diamond-82t-219-sprocket-bm21982.jpg?v=1763112561"},{"product_id":"bm21983-black-diamond-83t-219-sprocket-bm21983","title":"Black Diamond 83T #219 Sprocket for High-Performance Kart Setups","description":"\u003cstrong\u003ePushing limits starts here:\u003c\/strong\u003e The Black Diamond 83T #219 Sprocket is engineered to amplify your kart's high-end output, making it indispensable for velocity-driven racing styles. With more teeth, it supports ratios that prioritize outright quickness, turning straights into opportunities for glory.\u003cp\u003eIts core strength lies in premium alloy use, offering flexibility under load while retaining shape for peak efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision-drilled for lightweight savings without strength loss.\u003c\/li\u003e\n\u003cli\u003eAdapts to varying chain tensions for custom tuning.\u003c\/li\u003e\n\u003cli\u003eBoosts overall system responsiveness in dynamic conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor trackside efficiency, it organizes gear management by standardizing sizes, simplifying swaps and storage. The payoff is evident in smoother rides that let you exploit every ounce of engine power.\u003c\/p\u003e\u003cp\u003eThis sprocket's role in elite setups can't be overstated—it's the difference between chasing and leading the pack.\u003c\/p\u003e\u003cp\u003eSKU: BM21983\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose an 83T sprocket for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e An 83T sprocket is typically used to adjust your gear ratio for better acceleration out of corners. It is ideal for tracks where you need to reach your power band quickly on shorter straights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It is specifically designed to be used with #219 racing chains. Ensure your engine clutch and chain are also #219 pitch for proper fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need to change my sprocket size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should consider changing your sprocket size if you are hitting your engine's rev limiter too early on the straights (requiring a smaller sprocket) or if you are struggling to get out of corners efficiently (requiring a larger sprocket like this 83T).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the teeth for signs of hooking or excessive wear. Keep the sprocket clean and ensure your chain tension is set correctly to prevent premature wear on both the sprocket and the chain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sprocket for both sprint and endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Black Diamond alloy construction is designed to be durable enough for various racing styles, providing the flexibility needed under load while maintaining its shape for consistent performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21984-black-diamond-84t-219-sprocket-bm21984\"\u003eRLV Black Diamond #219 Sprocket - 84T - 2-Cycle \/ Inboard Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21982-black-diamond-82t-219-sprocket-bm21982\"\u003eDurable Black Diamond 82T #219 Sprocket for Kart Endurance Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21985-black-diamond-85t-219-sprocket-bm21985\"\u003eBlack Diamond 85T #219 Sprocket for Ultimate Kart Speed Dominance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562599182654,"sku":"BM21983","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21983-black-diamond-83t-219-sprocket-bm21983.jpg?v=1763112562"},{"product_id":"bm21984-black-diamond-84t-219-sprocket-bm21984","title":"RLV Black Diamond #219 Sprocket - 84T - 2-Cycle \/ Inboard Drive","description":"\u003cp\u003eMaximizing power transfer from your high-revving powerplant to the rear axle demands precision-engineered \u003cstrong\u003ego kart parts\u003c\/strong\u003e, and the RLV Black Diamond 84T #219 Sprocket delivers exactly that. Crafted from aerospace-grade 7075-T6 aluminum alloy, this 84-tooth sprocket is designed to minimize rotating mass while maintaining the structural rigidity required for high-torque applications. Whether you are running a high-RPM \u003cstrong\u003etwo cycle engine\u003c\/strong\u003e or a heavy-hitting 4-cycle setup, the Black Diamond series ensures your driveline operates with zero deflection. The hard-anodized black finish isn't just for aesthetics; it significantly reduces friction and wear, extending the service life of your chain and sprocket assembly under grueling race conditions.\u003c\/p\u003e\u003ch2\u003eHarmonizing with Kart Racing Engines\u003c\/h2\u003e\u003cp\u003eThe 84T configuration is specifically tailored for tracks demanding rapid acceleration out of tight corners and sustained top-end velocity. When pairing this sprocket with elite \u003cstrong\u003ekart racing engines\u003c\/strong\u003e, drivers experience a seamless power delivery curve. The laser-etched tooth profile guarantees optimal chain wrap, preventing skipping or binding even when the chassis flexes under heavy lateral loads. This level of driveline efficiency translates directly to lower lap times and more consistent sector splits.\u003c\/p\u003e\u003ch2\u003eThe Ultimate Driveline Upgrade for Your Go Kart Motor For Sale\u003c\/h2\u003e\u003cp\u003eIf you've recently picked up a new \u003cstrong\u003ego kart motor for sale\u003c\/strong\u003e and want to extract every ounce of its potential, your gearing strategy is paramount. The RLV Black Diamond sprocket features strategic gun-drilled relief holes that shed unnecessary weight without compromising the tensile strength of the 7075-T6 aluminum. Less rotational inertia means your engine spins up faster, giving you the holeshot advantage when the green flag drops. Proper gearing also ensures you aren't over-revving or lugging the engine, protecting your investment.\u003c\/p\u003e\u003cp\u003eTo truly capitalize on the mechanical grip provided by the \u003cstrong\u003ebest go kart tires for racing\u003c\/strong\u003e, your driveline must be flawless. The RLV Black Diamond #219 sprocket ensures that every ounce of traction is met with immediate, unyielding forward thrust. It's the definitive choice for serious competitors who refuse to compromise on their setup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7075-T6 Aerospace Aluminum:\u003c\/strong\u003e Machined from ultra-durable billet alloy for maximum tensile strength and reduced rotational mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard-Anodized Black Finish:\u003c\/strong\u003e Provides superior resistance against abrasive track debris, dirt, and moisture while reducing chain friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Laser-Etched Profile:\u003c\/strong\u003e Ensures perfect #219 chain alignment and wrap, eliminating power-robbing binding or skipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized 84-Tooth Gearing:\u003c\/strong\u003e Ideal for specific track layouts requiring a balance of aggressive corner-exit torque and sustained top speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGun-Drilled Weight Reduction:\u003c\/strong\u003e Strategically placed relief holes lower the moment of inertia, allowing your engine to spool up faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal #219 Compatibility:\u003c\/strong\u003e Seamlessly integrates with standard inboard and outboard drive hubs on modern racing chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Service Life:\u003c\/strong\u003e Advanced metallurgical properties and surface treatments yield a 25% longer lifespan compared to standard aluminum sprockets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 7075-T6 aluminum sprocket over a steel one?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 7075-T6 aerospace-grade aluminum used in the RLV Black Diamond series offers a superior strength-to-weight ratio. By reducing rotational mass, your engine can spool up faster, providing better acceleration out of corners compared to heavier steel alternatives.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 84T size is right for my track?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 84T sprocket is generally used for tracks that require a balance of strong corner-exit torque and decent top-end speed. If you find you are hitting your rev limiter too early on the straightaways, you may need a smaller tooth count; if you are struggling to get out of tight corners, you may need to move to a larger sprocket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the hard-anodized finish require special maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the hard-anodized finish is highly durable and reduces friction, you should still clean your sprocket regularly to remove abrasive track debris and dirt. Always ensure your #219 chain is properly lubricated and tensioned to maximize the lifespan of both the chain and the sprocket teeth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all #219 chain systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this sprocket is designed for standard #219 pitch chains. It is compatible with most modern racing chassis using standard inboard or outboard drive hubs.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21985-black-diamond-85t-219-sprocket-bm21985\"\u003eBlack Diamond 85T #219 Sprocket for Ultimate Kart Speed Dominance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21983-black-diamond-83t-219-sprocket-bm21983\"\u003eBlack Diamond 83T #219 Sprocket for High-Performance Kart Setups\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21981-black-diamond-81t-219-sprocket-bm21981\"\u003eRLV Black Diamond #219 Sprocket - 81 Tooth - All Karting Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562599215422,"sku":"BM21984","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21984-black-diamond-84t-219-sprocket-bm21984.jpg?v=1763112564"},{"product_id":"bm21985-black-diamond-85t-219-sprocket-bm21985","title":"Black Diamond 85T #219 Sprocket for Ultimate Kart Speed Dominance","description":"\u003cp\u003eAt the pinnacle of sprocket technology, the Black Diamond 85T #219 Sprocket stands ready to propel your kart into the fast lane. Tailored for maximum velocity, it excels in scenarios where sustaining peak speeds is the path to victory.\u003c\/p\u003e\u003cp\u003eFortified with cutting-edge materials, it shrugs off the demands of elite competition, maintaining integrity session after session.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvanced profiling for reduced chain stretch over time.\u003c\/li\u003e\n\u003cli\u003eSeamless pairing with performance hubs for total synergy.\u003c\/li\u003e\n\u003cli\u003eElevates kart balance for superior handling at limits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePit efficiency soars with this sprocket's straightforward specs, keeping your toolkit streamlined and race prep on point. It's the catalyst for strategies that capitalize on raw pace.\u003c\/p\u003e\u003cp\u003eHarness its power to outrun the competition, turning potential into proven results on every outing.\u003c\/p\u003e\u003cp\u003eSKU: BM21985\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Black Diamond 85T #219 sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This sprocket is specifically designed for #219 pitch chains. It is not compatible with #35 pitch chains, so please ensure your drivetrain setup matches the #219 standard before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing to an 85T sprocket affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e An 85-tooth sprocket is generally used to adjust your gear ratio for specific track layouts. A larger sprocket typically increases acceleration out of corners, while a smaller sprocket is used to gain top-end speed on longer straights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for this aluminum sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maximize the lifespan of your Black Diamond sprocket, regularly inspect the teeth for signs of hooking or wear. Keep your chain properly lubricated and tensioned to prevent premature wear on the sprocket profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation requires standard karting tools to remove your rear axle sprocket carrier. Ensure your hub is clean and free of debris to ensure the sprocket sits perfectly flat for optimal chain alignment.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21984-black-diamond-84t-219-sprocket-bm21984\"\u003eRLV Black Diamond #219 Sprocket - 84T - 2-Cycle \/ Inboard Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21983-black-diamond-83t-219-sprocket-bm21983\"\u003eBlack Diamond 83T #219 Sprocket for High-Performance Kart Setups\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21989-black-diamond-89t-219-sprocket-bm21989\"\u003eHeavy-Duty Black Diamond 89T #219 Sprocket for Extreme Kart Speeds\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562599248190,"sku":"BM21985","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21985-black-diamond-85t-219-sprocket-bm21985.jpg?v=1763112565"},{"product_id":"bm21989-black-diamond-89t-219-sprocket-bm21989","title":"Heavy-Duty Black Diamond 89T #219 Sprocket for Extreme Kart Speeds","description":"For the bold racer eyeing extreme velocities, the Black Diamond 89T #219 Sprocket delivers with authoritative presence in your kart's arsenal. Its substantial tooth array is primed for gearing that pushes boundaries, ideal for unrestricted speed zones.\u003cstrong\u003eEngineered toughness:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eHigh-impact resistance for surviving close-quarters battles.\u003c\/li\u003e\n\u003cli\u003eOptimized for low-drag operation in aero-sensitive setups.\u003c\/li\u003e\n\u003cli\u003eEnsures chain longevity through even pressure distribution.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis sprocket transforms pit routines into efficient operations, with its size clearly marked for instant recognition and swaps. Experience the thrill of a kart that's tuned for conquest.\u003c\/p\u003e\u003cp\u003eIn high-octane races, it provides the backbone for daring overtakes, securing your place at the front.\u003c\/p\u003e\u003cp\u003eSKU: BM21989\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with #35 chain systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a #219 pitch sprocket. It is specifically designed for #219 racing chains and will not seat correctly with #35 chain systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if an 89T sprocket is the right size for my track?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e An 89T sprocket is a large gear typically used for high-torque applications or tracks with tight, technical corners where rapid acceleration is required. Always check your engine's power band and track layout to determine if this gear ratio suits your specific setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this sprocket require special installation hardware?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This sprocket is designed to fit standard kart axle hubs. Ensure your sprocket carrier is clean and free of debris before mounting to ensure the sprocket sits perfectly flat, which prevents premature chain wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How can I extend the life of my Black Diamond sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect your chain tension. A chain that is too tight will cause excessive wear on the sprocket teeth. Additionally, keep the chain lubricated and ensure your axle is perfectly aligned to prevent side-loading the sprocket.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chx0524-xtreme-219-high-performance-chain-114-link-chx0524\"\u003eRLV Xtreme #219 Gold-on-Gold High-Performance Chain 114 Links\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/89t-219-rlv-black-diamond-split-sprocket-bm21989s\"\u003eRLV Black Diamond #219 Split Sprocket - 89T - Racing Go Kart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21985-black-diamond-85t-219-sprocket-bm21985\"\u003eBlack Diamond 85T #219 Sprocket for Ultimate Kart Speed Dominance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bm21984-black-diamond-84t-219-sprocket-bm21984\"\u003eRLV Black Diamond #219 Sprocket - 84T - 2-Cycle \/ Inboard Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562599280958,"sku":"BM21989","price":35.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/rlv219blackdiamondonepiecesprockets-bm21989-black-diamond-89t-219-sprocket-bm21989.jpg?v=1763112566"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/rlv219blackdiamondonepiecesprockets-bm21964-black-diamond-64t-219-sprocket-bm21964.jpg?v=1788981300","url":"https:\/\/swiftkarting.com\/collections\/rlv-219-black-blue-one-piece-kart-sprockets.oembed","provider":"Swift Karting","version":"1.0","type":"link"}