{"title":"Axle Lock Collars","description":"\u003cp\u003eAxle lock collars clamp onto a kart rear axle to hold hubs, sprockets, and bearings in a fixed axial position so they cannot slide under load. Common sizes in this category include 1 in, 1-1\/4 in, 1-3\/8 in, 30 mm, and 40 mm, often in aluminum for lower rotating mass.\u003c\/p\u003e","products":[{"product_id":"30mm-axle-lock-collar-wide-black-lc30b-wide","title":"Driveline LC30B-WIDE Extra-Wide 30mm Axle Lock Collar - Dual 6mm\/8mm Keyslot - All Classes","description":"\u003cp\u003eLocking down your rear axle assembly with these new kart parts ensures zero axial movement, delivering the rigid bearing support required for high-speed cornering. The Driveline LC30B-WIDE Extra-Wide 30mm Axle Lock Collar is engineered with a 35mm broad profile and an integrated shoulder that makes perfect, flush contact with kart bearings. By eliminating lateral flex and distributing clamping force evenly across the shaft, this collar translates your engine's output into pure forward momentum—crucial when maximizing your briggs and stratton lo206 horsepower on tight, technical circuits. When the rear end is fully stabilized, the chassis can flex exactly as the manufacturer intended, preventing binding and power loss.\u003c\/p\u003e\u003ch2\u003eSecuring Your Drive-Line and Steering Components\u003c\/h2\u003e\u003cp\u003eWhile racers often obsess over front-end geometry, steering components, and high-performance master cylinder brake parts, securing the rear axle is equally critical for overall chassis stability. A shifting axle can throw off your brake rotor alignment, causing drag that robs you of top-end speed. This two-piece split collar allows for rapid installation or adjustments without removing the axle, cutting down crucial pit prep time between heats. Whether you are dialing in your setup with specialized tools tire pressure gauges or swapping out hubs for a changing track surface, this collar's dual 6mm and 8mm keyslots accommodate a wide variety of shaft configurations, making it a highly versatile addition to your trackside toolkit.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications for Professional Racing\u003c\/h2\u003e\u003cp\u003eConstructed from lightweight black anodized aluminum, this collar withstands the extreme vibrations of 50+ mph karting without adding unnecessary rotational mass. The precision-machined shoulder is specifically designed to clear European-style bearings, ensuring that clamping pressure is applied exactly where it is needed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e35mm Extra-Wide Profile:\u003c\/strong\u003e Distributes clamping force evenly across the axle to prevent scoring and eliminate bearing bind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Bearing Shoulder:\u003c\/strong\u003e Provides flush, precise contact against the bearing inner race to completely eliminate lateral shift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Keyslot Design:\u003c\/strong\u003e Features both 6mm and 8mm slots to seamlessly fit diverse axle and keyway configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Split Construction:\u003c\/strong\u003e Allows for fast, hassle-free assembly around installed axles without the need to remove hubs or carriers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Aluminum:\u003c\/strong\u003e Delivers superior durability, corrosion resistance, and a sleek, professional aesthetic that matches modern chassis components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Reliability:\u003c\/strong\u003e Minimizes chassis flex through high-G chicanes, ensuring consistent momentum and tighter, more predictable racing lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Class Compatibility:\u003c\/strong\u003e Engineered to meet the rigorous demands of multiple racing classes, from junior categories to senior pro divisions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Driveline","offers":[{"title":"Default Title","offer_id":52562557894974,"sku":"LC30B-WIDE","price":20.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-30mm-axle-lock-collar-wide-black-lc30b-wide.jpg?v=1763111811"},{"product_id":"30mm-axle-lock-collar-with-shoulder-lc30-ws","title":"30mm Axle Lock Collar with 7mm Shoulder for Narrow Bearing Clearance","description":"\u003cp\u003eTackle tricky bearing hanger bolts with this innovative 30mm lock collar, boasting a 7mm shoulder tailored for narrow European race bearings. It slides over without interference, maintaining clean axle lines for unhindered power flow.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack anodized aluminum resists corrosion and wear\u003c\/li\u003e\n\u003cli\u003eDual 6mm and 8mm key slots for versatile keying options\u003c\/li\u003e\n\u003cli\u003eTwo-piece construction for straightforward fitting\u003c\/li\u003e\n\u003cli\u003eShoulder design optimizes bearing contact\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis setup helps racers achieve precise alignments, reducing drag and improving corner exit speeds. Its thoughtful engineering saves time during builds, keeping your kart organized and ready for action. Ideal for teams using compact bearing hangers, it ensures smooth operation under load, contributing to faster overall times. A game-changer for metric axle karts. SKU: LC30-WS\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does this collar feature a 7mm shoulder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 7mm shoulder is specifically engineered to provide clearance for narrow European-style bearing hangers. It allows the collar to sit flush against the bearing without interfering with the hanger bolts, ensuring a smooth, drag-free rotation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with standard 30mm axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this is designed for any standard 30mm kart axle. The two-piece construction makes it easy to install on an assembled axle without needing to remove wheels or hubs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I choose between the 6mm and 8mm key slots?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The dual key slot design offers versatility depending on your specific axle keyway size. Simply align the collar so the appropriate slot matches your axle key to ensure a secure, locked position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the anodized finish provide any performance benefits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Beyond providing a sleek look and corrosion resistance, the high-quality aluminum construction is lightweight, helping to minimize rotating mass on the axle for better acceleration.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-lc30mm\"\u003ePrecision 30mm Axle Lock Collar for European-Style Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-axle-lock-collar-wide-black-lc40b-wide\"\u003eWide Black 40mm Axle Lock Collar with Shoulder and 8mm Keyslot\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-axle-lock-collar-lc50\"\u003eStrong 50mm Aluminum Two-Piece Axle Lock Collar with 8mm Keyway\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-axle-lock-collar-lc1\"\u003e1 Inch Two-Piece Axle Lock Collar with Keyway for Kart Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-aluminum-axle-lock-collar-lc125\"\u003eDurable 1 1\/4 Inch Aluminum Axle Lock Collar for Secure Kart Axle Positioning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562557927742,"sku":"LC30-WS","price":16.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-30mm-axle-lock-collar-with-shoulder-lc30-ws.jpg?v=1763111813"},{"product_id":"40mm-axle-lock-collar-wide-black-lc40b-wide","title":"Wide Black 40mm Axle Lock Collar with Shoulder and 8mm Keyslot","description":"\u003cp\u003eExpand your kart's stability with this 40mm wide black lock collar, at 35mm thickness for maximum contact. The subtle shoulder aids bearing seating, while the 8mm keyslot locks against rotation, ensuring every ounce of engine power hits the track.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack anodized finish for enduring style and protection\u003c\/li\u003e\n\u003cli\u003eTwo-piece split design simplifies axle work\u003c\/li\u003e\n\u003cli\u003eSlight shoulder prevents bearing preload issues\u003c\/li\u003e\n\u003cli\u003eWide body enhances clamping pressure distribution\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers targeting top podiums use it to dial in rear-end geometry, boosting cornering grip and straightaway pull. Its broad profile reduces point loads, extending component life and cutting downtime. Perfect for high-horsepower classes, it organizes setups for quick tweaks between heats. Embrace the edge in precision engineering for lap record challenges. SKU: LC40B-WIDE\u003c\/p\u003e\u003cp\u003eVersatility across chassis makes it a versatile pick for evolving teams.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does this axle lock collar feature an 8mm keyslot?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 8mm keyslot is designed to lock the collar onto the axle keyway. This prevents the collar from rotating independently of the axle, ensuring that your rear-end geometry remains consistent under high-torque conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the shoulder on this collar help with bearing setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The slight shoulder is engineered to seat against the inner race of your axle bearing. This helps prevent bearing preload issues, ensuring the axle spins freely while maintaining proper lateral positioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with all kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This collar is specifically designed for 40mm diameter axles. Please verify your axle size before purchase, as it will not fit 30mm, 50mm, or 1-inch axles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the advantage of the two-piece split design?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The two-piece split design allows for quick installation and removal without needing to slide the collar over the end of the axle. This makes it much easier to adjust your rear track width or perform maintenance between heats.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a wide-body collar over a standard width?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The wide-body design provides a larger surface area for clamping, which improves pressure distribution. This reduces point loading on the axle, extends the life of your components, and provides a more secure hold for high-horsepower racing classes.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-with-shoulder-lc30-ws\"\u003e30mm Axle Lock Collar with 7mm Shoulder for Narrow Bearing Clearance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-axle-lock-collar-lc50\"\u003eStrong 50mm Aluminum Two-Piece Axle Lock Collar with 8mm Keyway\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-lc30mm\"\u003ePrecision 30mm Axle Lock Collar for European-Style Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-axle-lock-collar-lc1\"\u003e1 Inch Two-Piece Axle Lock Collar with Keyway for Kart Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-aluminum-axle-lock-collar-lc125\"\u003eDurable 1 1\/4 Inch Aluminum Axle Lock Collar for Secure Kart Axle Positioning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562558320958,"sku":"LC40B-WIDE","price":23.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-40mm-axle-lock-collar-wide-black-lc40b-wide.jpg?v=1763111822"},{"product_id":"50mm-axle-lock-collar-wide-black-discontinued-limited-supply-lc50b-wide","title":"PMI Wide Split 50mm Axle Lock Collar - Black Anodized 8mm Keyslot - Universal Karting","description":"\u003cp\u003eLocking down your rear axle components is non-negotiable for translating raw engine output into forward momentum, which is why our online kart store stocks the exact hardware needed to eliminate driveline shift. The PMI Wide 50mm Axle Lock Collar delivers 35mm of robust, unyielding support to keep your bearings, hubs, and carriers locked dead-center under extreme lateral loads. When you are pushing the limits of your briggs and stratton lo206 horsepower, chassis flex and component shift are the enemies of speed. This two-piece, black anodized aluminum collar features a precision-machined slight shoulder that optimizes bearing alignment, ensuring your axle spins freely without binding. The integrated 8mm keyslot provides anti-slip security, clamping down with immense force so your driveline stays exactly where you set it.\u003c\/p\u003e\u003ch2\u003eDriveline Stability for High-Torque Go Kart Transmissions\u003c\/h2\u003e\u003cp\u003eModern racing demands absolute precision. Whether you are running a direct drive setup or managing the torque multiplication of advanced go kart transmissions, axle shift can lead to thrown chains, bound bearings, and scrubbed speed. The PMI wide lock collar's extended 35mm profile spreads the clamping force over a larger surface area of the 50mm axle. This prevents the collar from digging into the axle material while providing superior resistance against lateral thrust forces generated during high-G cornering. The split two-piece design allows for rapid installation and adjustment without the need to remove hubs, carriers, or slide components off the end of the axle—a massive time-saver in the hot pits.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Wheel Bolts and Wheel Accessories\u003c\/h2\u003e\u003cp\u003eA perfectly aligned rear track is essential for predictable handling. By locking your axle bearings and sprocket carriers firmly in place, this collar ensures that your rear track width remains consistent, allowing your wheel bolts and other wheel accessories to function without induced stress from axle deflection. The black anodized finish not only provides a premium, professional aesthetic but also protects the high-grade aluminum from corrosion and track debris. Although this specific wide-profile model is being phased out, its performance remains top-tier for racers needing maximum clamping force on heavy-duty setups.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Axle Compatibility:\u003c\/strong\u003e Precision-bored for a perfect fit on all standard 50mm racing kart axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide 35mm Profile:\u003c\/strong\u003e Maximizes surface area contact to eliminate lateral component shift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8mm Integrated Keyslot:\u003c\/strong\u003e Locks securely into the axle keyway for ultimate anti-slip protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Split Design:\u003c\/strong\u003e Enables fast, hassle-free installation without disassembling the axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachined Alignment Shoulder:\u003c\/strong\u003e Facilitates perfect bearing contact to reduce friction and wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish:\u003c\/strong\u003e Delivers a professional look while resisting corrosion and track debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Aluminum:\u003c\/strong\u003e Provides robust clamping force without adding unnecessary rotational weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with all 50mm kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this collar is precision-bored to fit all standard 50mm racing kart axles. The integrated 8mm keyslot ensures it locks securely into the axle keyway for maximum anti-slip protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to remove my hubs or carriers to install this collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The two-piece split design allows you to install or adjust the collar directly on the axle without the need to disassemble your rear end, saving you significant time in the pits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 35mm wide collar over a standard width collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 35mm wide profile provides a larger surface area for clamping. This is ideal for high-torque setups, as it prevents the collar from digging into the axle material while offering superior resistance against lateral thrust forces during high-G cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the machined shoulder help with axle performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The integrated shoulder is designed to optimize bearing alignment. By ensuring your bearings are seated correctly against the collar, it helps the axle spin freely and reduces unnecessary friction and binding.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-sprocket-hub-black-sc50-bk\"\u003ePMI SC50-BK 50mm Sprocket Hub - Black Anodized Aluminum with 8mm Keyway - European Metric Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-15m-50-mini-sprocket-hub-50mm-pm-15m-50\"\u003eRobust 50mm Mini Sprocket Hub for Enhanced Kart Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-77ma50-6-75-aluminum-gear-guard-set-fits-41-thru-53-teeth-pm-77ma50-6-75\"\u003eSpecialized Aluminum Gear Guard for 50mm Axle 41-53 Teeth\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f\"\u003ePMI PM-36F Aluminum Bearing Shield - 1.842\" RBI \u0026amp; WMS Big Bearings - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-105a-pmi-rotor-guard-slotted-aluminum-pm-105a\"\u003eBlack Anodized Slotted Aluminum Rotor Guard for Kart Calipers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52562560123198,"sku":"LC50B-WIDE","price":27.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-50mm-axle-lock-collar-wide-black-discontinued-limited-supply-lc50b-wide.jpg?v=1763111855"},{"product_id":"steel-two-piece-1-25-lock-collar-lc125s","title":"Heavy-Duty Steel Two-Piece 1.25 Inch Lock Collar for Kart Axles","description":"\u003cp\u003eBuilt to endure the toughest kart battles, this steel lock collar for 1.25 inch axles features a robust two-piece design. The included 1\/4 inch keyway ensures no movement under extreme loads, keeping your powertrain aligned for peak performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSteel material offers superior strength over aluminum options\u003c\/li\u003e\n\u003cli\u003eImport-quality at a value price for budget-conscious teams\u003c\/li\u003e\n\u003cli\u003eEasy split assembly for quick track changes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers rely on it to eliminate vibrations that cause tire scrub and lost time. By locking everything solid, you gain confidence in pushing limits, resulting in smoother lines and quicker laps. Ideal for upgrading older karts or reinforcing new builds. SKU: LC125S\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562560221502,"sku":"LC125S","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-steel-two-piece-1-25-lock-collar-lc125s.jpg?v=1763111856"},{"product_id":"steel-two-piece-3-4-lock-collar-lc34steel2p","title":"Black Oxide Steel Two-Piece 3\/4 Inch Lock Collar for Kart Brackets","description":"\u003cp\u003eTransform loose fittings into rock-solid connections with this black oxide coated 3\/4 inch steel lock collar. Its two-piece design shines for custom welding projects, like attaching seat brackets or weight mounts, ensuring everything stays put during races.\u003c\/p\u003e\u003cp\u003eWithout a keyway, it's ideal for smooth shafts such as 3\/4 inch engine crankshafts or jackshafts, providing friction-based hold that withstands vibrations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack oxide finish prevents rust in humid pit areas\u003c\/li\u003e\n\u003cli\u003eCompact size for tight kart spaces\u003c\/li\u003e\n\u003cli\u003eSupports creative modifications for personalized handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis collar helps racers stay organized by simplifying bracket installations, reducing setup time and allowing more practice laps. It indirectly boosts speed through stable, customized chassis dynamics. SKU: LC34STEEL2P\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this lock collar compatible with keyed shafts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this specific model is designed for smooth shafts. It relies on friction-based holding power, making it ideal for 3\/4 inch engine crankshafts or jackshafts that do not require a keyway.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a two-piece design over a one-piece collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The two-piece design allows you to install or remove the collar without having to disassemble other components on the shaft. It is perfect for custom welding projects or adding brackets to existing setups where sliding a one-piece collar on from the end is not possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the black oxide finish benefit my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The black oxide coating provides a layer of protection against rust and corrosion, which is essential for karts stored in humid pit areas or exposed to track elements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for mounting seat brackets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this collar is excellent for securing seat brackets or weight mounts. Its robust steel construction ensures that your custom modifications stay firmly in place despite the high vibrations experienced during racing.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/weight-bracket-short-3-4-wb34\"\u003eCompact 3\/4\" Short Weight Bracket for Precise Kart Balancing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/seat-reinforcement-kit-sold-each-esrk\"\u003eIndividual Seat Reinforcement Kit with Metric Hardware for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/seat-mounting-kit-msmk\"\u003eComplete Kart Seat Mounting Kit with Hardware Essentials\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rubber-seat-grommet-pack-of-four-4-rsgk\"\u003eRubber Seat Grommet Pack of Four for Secure Kart Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nerf-bar-pin-kit-nbpk\"\u003eQuick-Release Nerf Bar Pin Kit with Safety Clip and Washers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562567987518,"sku":"LC34STEEL2P","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-steel-two-piece-3-4-lock-collar-lc34steel2p.jpg?v=1763112023"},{"product_id":"1-1-4-aluminum-axle-lock-collar-black-lc125b","title":"PMI LC125B Aluminum Axle Lock Collar - 1 1\/4 Inch Black - Universal Karting","description":"\u003cp\u003eWhen you're sourcing high-performance racing parts, the difference between a podium finish and a DNF often comes down to the smallest driveline components. The PMI 1 1\/4\" Aluminum Axle Lock Collar (Black) is engineered to eliminate lateral axle shift under extreme cornering loads. Precision-machined from aerospace-grade aluminum, this collar provides a vice-like grip on your 1.25-inch axle without adding unnecessary rotational mass. Whether you are running a high-torque 2-cycle setup or browsing engines for sale to build a 4-cycle sprint kart, maintaining true axle alignment is critical for optimal power transfer and chassis bind reduction.\u003c\/p\u003e\u003ch2\u003eMaximizing Driveline Efficiency with Precision Hardware\u003c\/h2\u003e\u003cp\u003eAxle walk is the enemy of momentum. When your rear axle shifts, it misaligns the sprocket and brake rotor, leading to thrown chains, dragging brakes, and lost horsepower. This split-collar mechanism clamps evenly around the axle circumference, ensuring zero slippage even when you're pushing the limits on sticky rubber from top tire brands. The sleek black anodized finish isn't just for aesthetics; it provides a hardened surface that resists galling, corrosion, and track debris. If you are doing a complete chassis overhaul or just installing a go kart steering wheel upgrade, don't neglect your rear driveline integrity.\u003c\/p\u003e\u003ch2\u003eEngineered for the Demands of Modern Karting\u003c\/h2\u003e\u003cp\u003eFrom the moment your motor engine hits the powerband, the torque transferred through the axle is immense. Standard set-screw collars can dig into the axle shaft, causing burrs that make bearing removal a nightmare. The PMI split-collar design prevents axle scoring while delivering superior clamping force. It's an essential component for any serious racer's toolbox.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Aluminum Construction:\u003c\/strong\u003e Delivers maximum clamping force with minimal rotational weight penalty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplit-Collar Clamping Mechanism:\u003c\/strong\u003e Ensures 360-degree grip without scoring or damaging the axle surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish:\u003c\/strong\u003e Provides superior resistance against corrosion, track debris, and chemical wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact 1 1\/4-Inch Bore:\u003c\/strong\u003e Machined to strict tolerances for a flawless fit on standard 1.25\" tubular or solid axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Torque Fastener:\u003c\/strong\u003e Features a high-tensile Allen bolt that resists stripping during frequent gear changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Chassis Compatibility:\u003c\/strong\u003e Fits seamlessly into sprint, oval, and enduro kart driveline configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistant Design:\u003c\/strong\u003e Maintains torque spec even under the harsh harmonics of high-RPM racing engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I use a split-collar design instead of a standard set-screw collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Standard set-screw collars use a single point of pressure that can dig into and score your axle, creating burrs that make removing bearings or other components difficult. The PMI split-collar design clamps evenly around the entire 360-degree circumference, providing superior holding power without damaging the axle surface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure this collar fits my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This collar is precision-machined for a 1.25-inch (1 1\/4\") axle. It is compatible with both tubular and solid axles of this diameter. Before installation, ensure your axle surface is clean and free of debris to allow for a flush, secure fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this collar add significant weight to my rear end?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The collar is manufactured from aerospace-grade aluminum, which is specifically chosen for its high strength-to-weight ratio. It provides the necessary clamping force to prevent axle walk without adding the unnecessary rotational mass that could affect your kart's acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How tight should I torque the fastener during installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should tighten the high-tensile Allen bolt until the collar is firmly locked in place and shows no lateral movement. Because the collar is vibration-resistant, you do not need to overtighten it to the point of stripping the bolt; a firm, secure torque is sufficient to hold it against high-RPM harmonics.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-standard-pm-091020\"\u003ePMI Standard Laser Axle Adaptor in Blue Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-15m-mini-sprocket-hub-1-250-pm-15m\"\u003e1.250\" MINI Sprocket Hub for Compact Kart Drivetrains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-34-0-axle-1-25-black-requires-pm-018ks-key-set-pm-18-34\"\u003ePMI 34-Inch Black 1.25-Inch Axle Pocket Keyed for Oval Racing Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f\"\u003ePMI PM-36F Aluminum Bearing Shield - 1.842\" RBI \u0026amp; WMS Big Bearings - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52562578014526,"sku":"LC125B","price":7.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-1-1-4-aluminum-axle-lock-collar-black-lc125b.jpg?v=1763112184"},{"product_id":"1-1-4-aluminum-axle-lock-collar-lc125","title":"Durable 1 1\/4 Inch Aluminum Axle Lock Collar for Secure Kart Axle Positioning","description":"\u003cp\u003eEngineered for kart racers seeking unwavering axle stability, this 1 1\/4 inch aluminum lock collar clamps down firmly to prevent slippage during high-speed turns. Its lightweight aluminum construction reduces overall chassis weight, allowing for quicker acceleration without compromising strength.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo-piece split design for hassle-free installation around the axle\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant finish withstands track-side moisture and debris\u003c\/li\u003e\n\u003cli\u003eCompatible with standard kart drive-lines, fitting seamlessly into your setup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy locking components in place, it minimizes power loss from misalignment, helping you maintain consistent speeds through corners. Racers report fewer adjustments mid-race, keeping focus on pushing limits. Perfect for weekend warriors or pros optimizing every gram for victory. SKU: LC125\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I install this 1 1\/4 inch axle lock collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This collar features a two-piece split design. Simply separate the two halves, place them around your 1 1\/4 inch axle, and tighten the bolts evenly on both sides to ensure a secure, centered fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is an axle lock collar important for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The collar prevents your axle and rear components from shifting laterally during high-speed cornering. By keeping everything locked in place, you minimize power loss caused by misalignment and ensure consistent handling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with all 1 1\/4 inch kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this collar is designed to fit standard 1 1\/4 inch kart drive-lines. It is a universal fit for most racing karts utilizing this common axle diameter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the aluminum construction affect durability?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Not at all. We use high-grade, lightweight aluminum that provides excellent clamping force while reducing unsprung weight. It also features a corrosion-resistant finish to protect against track-side moisture and debris.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3hbf125-flangette-for-1-25-axle-bearing-3hbf125-3hbf125\"\u003eDurable Flangette for 1.25-Inch Axle Bearings - Industry Standard Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-axle-lock-collar-lc50\"\u003eStrong 50mm Aluminum Two-Piece Axle Lock Collar with 8mm Keyway\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-lc30mm\"\u003ePrecision 30mm Axle Lock Collar for European-Style Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-axle-lock-collar-lc1\"\u003e1 Inch Two-Piece Axle Lock Collar with Keyway for Kart Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aluminum-3-4-two-piece-lock-collar-lc34alum2p\"\u003eLightweight Black Anodized Aluminum 3\/4 Inch Two-Piece Lock Collar\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562578047294,"sku":"LC125","price":7.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-1-1-4-aluminum-axle-lock-collar-lc125.jpg?v=1763112186"},{"product_id":"1-axle-lock-collar-lc1","title":"1 Inch Two-Piece Axle Lock Collar with Keyway for Kart Precision","description":"\u003cp\u003eWhy settle for loose axles when this 1 inch lock collar offers a keyed solution? The two-piece split style with 1\/4 inch keyway grips tightly, preventing any rotational play that robs speed from your kart.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSilver finish provides a clean, professional appearance\u003c\/li\u003e\n\u003cli\u003eSplit design allows installation without axle removal\u003c\/li\u003e\n\u003cli\u003eKeyway integration boosts torque handling capabilities\u003c\/li\u003e\n\u003cli\u003eDurable construction for repeated race use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn the heat of competition, reliable components like this mean fewer distractions and more focus on technique. It helps align wheels perfectly, improving cornering grip and straight-line efficiency. Kart enthusiasts use it to customize setups for specific tracks, achieving that competitive edge through better organization and reduced maintenance time. A must-have for serious racers aiming to dominate. SKU: LC1\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to remove my axle to install this lock collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The two-piece split design allows you to install the collar directly onto the axle without the need to remove the axle or disassemble your rear end components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the keyway important for an axle lock collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The integrated 1\/4 inch keyway provides a mechanical lock that prevents the collar from slipping or rotating under high torque, ensuring your wheel hubs and spacers stay exactly where you set them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure this fits my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This collar is specifically designed for 1-inch diameter axles. Please verify your axle diameter before purchase to ensure a secure, safe fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this collar help with my kart's handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. By preventing rotational play and ensuring your wheel hubs are properly secured, this collar helps maintain consistent wheel alignment, which is critical for optimal cornering grip and straight-line efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3hbf1-flangette-for-1-0-axle-bearing-3hbf1-3hbf1\"\u003eSteel Flangette for 1.0-Inch Axle Bearings - Original Three-Bolt Pattern\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-lc30mm\"\u003ePrecision 30mm Axle Lock Collar for European-Style Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-aluminum-axle-lock-collar-lc125\"\u003eDurable 1 1\/4 Inch Aluminum Axle Lock Collar for Secure Kart Axle Positioning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-axle-lock-collar-lc50\"\u003eStrong 50mm Aluminum Two-Piece Axle Lock Collar with 8mm Keyway\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-with-shoulder-lc30-ws\"\u003e30mm Axle Lock Collar with 7mm Shoulder for Narrow Bearing Clearance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562627232062,"sku":"LC1","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-1-axle-lock-collar-lc1.jpg?v=1763113150"},{"product_id":"30mm-axle-lock-collar-lc30mm","title":"Precision 30mm Axle Lock Collar for European-Style Kart Chassis","description":"\u003cp\u003eFor karts with metric axles, this 30mm lock collar is indispensable, offering a snug fit that eliminates play in the drive-line. Its construction handles the torque of powerful engines, ensuring power reaches the wheels efficiently.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo-piece design for simple, tool-free installation\u003c\/li\u003e\n\u003cli\u003eCompatible with popular European chassis styles\u003c\/li\u003e\n\u003cli\u003eDurable alloy resists track abuse\u003c\/li\u003e\n\u003cli\u003ePrecise tolerances for exact axle positioning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers gain an advantage by using it to fine-tune alignments, which sharpens handling and cuts lap times. It also aids in quick pit swaps, keeping your team ahead. Whether for LO206 or other classes, this collar supports peak performance without complications. Invest in it for reliable, race-winning setups. SKU: LC30MM\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I install this two-piece axle lock collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The two-piece design allows for tool-free installation. Simply separate the two halves, place them around your 30mm axle at the desired position, and tighten the integrated bolts evenly to secure the collar in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with all kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This collar is specifically designed for 30mm metric axles common on European-style kart chassis. Please verify your axle diameter before purchasing, as it will not fit 40mm or 50mm axles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I use a lock collar on my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A lock collar eliminates lateral play in the drive-line, ensuring your axle stays properly positioned. This helps maintain consistent alignment, improves handling, and ensures efficient power transfer from the engine to the wheels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for LO206 racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this collar is an excellent choice for LO206 and other karting classes. Its durable alloy construction is built to withstand the track abuse and torque requirements of competitive racing.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-with-shoulder-lc30-ws\"\u003e30mm Axle Lock Collar with 7mm Shoulder for Narrow Bearing Clearance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-axle-lock-collar-wide-black-lc40b-wide\"\u003eWide Black 40mm Axle Lock Collar with Shoulder and 8mm Keyslot\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-axle-lock-collar-lc50\"\u003eStrong 50mm Aluminum Two-Piece Axle Lock Collar with 8mm Keyway\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-axle-lock-collar-lc1\"\u003e1 Inch Two-Piece Axle Lock Collar with Keyway for Kart Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-aluminum-axle-lock-collar-lc125\"\u003eDurable 1 1\/4 Inch Aluminum Axle Lock Collar for Secure Kart Axle Positioning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562653970750,"sku":"LC30MM","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-30mm-axle-lock-collar-lc30mm.jpg?v=1763113709"},{"product_id":"pmi-axle-stiffener-for-1-25-axles-pm-48s","title":"PMI PM-48S 1.25 Inch Axle Stiffener - Aluminum Brace - All Classes","description":"\u003cp\u003eAs the premier karting store for serious racers, we know that chassis bind and rear axle flex can destroy your exit speed. The PMI PM-48S 1.25-Inch Axle Stiffener is engineered to eliminate unwanted deflection in your rear drive assembly. When you are pushing the limits on track, high lateral loads cause standard 1.25-inch axles to bow, altering your rear track width and inducing mechanical bind. By installing this precision-machined aluminum brace, you lock the axle's geometry, ensuring that the power delivery from your drivetrain—whether you are running high-bite bully clutches or standard direct-drive setups—transfers directly to the tarmac without parasitic loss.\u003c\/p\u003e\u003ch2\u003eMaximizing Briggs and Stratton LO206 Horsepower\u003c\/h2\u003e\u003cp\u003eIn spec engine classes, every fraction of a horsepower dictates your finishing position. To truly maximize your briggs and stratton lo206 horsepower, your driveline must be perfectly rigid. Flexing axles absorb kinetic energy that should be driving you forward. This stiffener acts as a critical tuning tool, allowing you to dial in rear-end grip. While novice builders might focus solely on fresh engine gaskets or tire prep, professional tuners understand that axle rigidity dictates how the chassis releases off the corner.\u003c\/p\u003e\u003ch2\u003eVersatile Application for Mini Go Karts and Full-Size Chassis\u003c\/h2\u003e\u003cp\u003eWhether you are dialing in cadet chassis for mini go karts or tuning a full-size senior rig, the PM-48S provides a tunable variable for changing track conditions. High-grip tracks demand a stiffer rear end to prevent the inside rear tire from dropping too early. This bolt-on stiffener allows rapid trackside adjustments, minimizing downtime between heats.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined Aluminum:\u003c\/strong\u003e Crafted from aerospace-grade billet aluminum for an optimal strength-to-weight ratio that won't disrupt rotational mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25-Inch Axle Compatibility:\u003c\/strong\u003e Exacting tolerances designed specifically to clamp securely onto standard 1.25\" tubular and solid kart axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Parasitic Flex:\u003c\/strong\u003e Prevents axle bowing under heavy lateral cornering loads to maintain consistent track width and tire contact patches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Trackside Installation:\u003c\/strong\u003e The split-clamp, bolt-on design ensures you can add or remove the stiffener in seconds during practice sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Keeps the driveline perfectly aligned, ensuring maximum kinetic energy reaches the rear tires without chassis bind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Level Reliability:\u003c\/strong\u003e Manufactured by PMI to withstand the extreme vibrations and torsional stress of high-RPM racing environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Tuning Variable:\u003c\/strong\u003e Acts as an adjustable rigidity point to fine-tune rear grip, chassis release, and overall kart rotation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this stiffener fit my specific kart axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The PM-48S is precision-engineered for any standard 1.25-inch diameter kart axle. It is compatible with both tubular and solid axle designs commonly found in cadet and senior chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does an axle stiffener affect my kart's handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By reducing axle flex, this stiffener increases rear-end rigidity. This is particularly useful on high-grip tracks to prevent the inside rear tire from lifting too early or to help the chassis \"release\" more effectively off the corner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this difficult to install at the track?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Not at all. The PM-48S features a split-clamp, bolt-on design that allows for rapid installation or removal, making it an ideal tuning tool to adjust your setup between practice sessions or heats.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this add significant weight to the rear of the kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. It is crafted from aerospace-grade billet aluminum, providing an optimal strength-to-weight ratio that ensures structural rigidity without adding unnecessary rotational mass to your drivetrain.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-thin-wall-zinc-32-0-axle-1-25-requires-pm-018ks-32-key-set-pm-18-32ztw\"\u003ePMI Thin Wall Zinc Plated 32-Inch 1.25-Inch Axle for Lightweight Oval Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-digital-spring-height-gauge-pm-134200\"\u003ePMI Digital Spring Height Gauge with Case for Kart Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-15m-mini-sprocket-hub-1-250-pm-15m\"\u003e1.250\" MINI Sprocket Hub for Compact Kart Drivetrains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f\"\u003ePMI PM-36F Aluminum Bearing Shield - 1.842\" RBI \u0026amp; WMS Big Bearings - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52562663407934,"sku":"PM-48S","price":23.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-pmi-axle-stiffener-for-1-25-axles-pm-48s.jpg?v=1763113944"},{"product_id":"50mm-axle-lock-collar-lc50","title":"Strong 50mm Aluminum Two-Piece Axle Lock Collar with 8mm Keyway","description":"\u003cp\u003eLarge axles need equally large security— this 50mm aluminum lock collar, with its 8mm keyway, provides just that in a two-piece format. It clamps securely, ideal for karts with bigger rear ends demanding unyielding hold.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAluminum construction keeps weight low for agility\u003c\/li\u003e\n\u003cli\u003e8mm keyway fights torque-induced rotation\u003c\/li\u003e\n\u003cli\u003eSplit design for axle-friendly mounting\u003c\/li\u003e\n\u003cli\u003eBuilt to handle high-load racing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSecure your setup to enjoy better weight distribution, which sharpens turn-in and boosts top speeds. It's a go-to for modifying heavy-duty karts, ensuring parts stay put amid intense g-forces. This organization translates to less fiddling in the pits, more time honing skills. Essential for classes with 50mm specs. SKU: LC50\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the 8mm keyway important for my kart axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 8mm keyway is designed to lock into the axle key, preventing the collar from rotating under high torque. This ensures your components stay exactly where you set them, even during aggressive acceleration and heavy braking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with all kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This collar is specifically engineered for 50mm diameter axles. Please verify your axle size before purchasing, as it will not fit 30mm, 40mm, or 1-1\/4 inch axles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the two-piece design benefit installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The split, two-piece design allows you to install or remove the collar without having to slide other components (like hubs or sprockets) off the end of the axle. Simply wrap it around the axle and bolt the two halves together.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this collar help with kart handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. By securely locking your rear components in place, you maintain consistent weight distribution. This stability helps sharpen turn-in response and ensures your setup remains predictable throughout the race.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-axle-lock-collar-wide-black-lc40b-wide\"\u003eWide Black 40mm Axle Lock Collar with Shoulder and 8mm Keyslot\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-with-shoulder-lc30-ws\"\u003e30mm Axle Lock Collar with 7mm Shoulder for Narrow Bearing Clearance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-lc30mm\"\u003ePrecision 30mm Axle Lock Collar for European-Style Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-axle-lock-collar-lc1\"\u003e1 Inch Two-Piece Axle Lock Collar with Keyway for Kart Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-aluminum-axle-lock-collar-lc125\"\u003eDurable 1 1\/4 Inch Aluminum Axle Lock Collar for Secure Kart Axle Positioning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting Supplies","offers":[{"title":"Default Title","offer_id":52562671370558,"sku":"LC50","price":11.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-50mm-axle-lock-collar-lc50.jpg?v=1763114111"},{"product_id":"1-3-8-axle-lock-collar-lc138","title":"Azusa LC138 Aluminum Axle Lock Collar - 1 3\/8 Inch - All Classes","description":"\u003cp\u003ePreventing lateral shift in your hubs, bearings, and brake carriers is non-negotiable under high G-forces, which is why our online kart store recommends the Azusa LC138 1 3\/8-inch aluminum axle lock collar for absolute driveline stability. Machined from high-grade billet aluminum, this two-piece split collar provides 360-degree clamping without distorting the axle tube, ensuring your driveline remains perfectly aligned from the grid to the checkered flag.\u003c\/p\u003e\u003ch2\u003eEssential Hardware for Mini Parts and Full-Size Chassis\u003c\/h2\u003e\u003cp\u003eWhether you are dialing in a cadet chassis using specific mini parts or locking down a high-horsepower senior setup, axle security dictates your power delivery. A shifting axle binds the bearings, creating parasitic drag that robs top-end speed. By integrating this 1 3\/8-inch lock collar into your assembly, you guarantee that sprocket alignment stays true, mitigating thrown chains and premature sprocket wear. The integrated 1\/4-inch keyway locks directly into the axle's key stock, providing a secondary mechanical fail-safe against rotational slipping under heavy braking or acceleration.\u003c\/p\u003e\u003ch2\u003eIntegration with Go Kart Pedals and Braking Systems\u003c\/h2\u003e\u003cp\u003eDriveline rigidity directly impacts your stopping power. When you stomp on your go kart pedals, the brake rotor must remain perfectly centered within the caliper. If the axle shifts laterally, the rotor drags against the pads, boiling the brake fluid and causing severe fade. This heavy-duty lock collar anchors the axle against the bearing cassettes, maintaining the critical tolerance required for a firm, responsive brake pedal. Trackside adjustments are rapid; simply loosen the dual bolts to slide the axle or swap components without fighting bound-up hardware.\u003c\/p\u003e\u003ch2\u003eTrackside Maintenance: Tools Tire and Driveline Prep\u003c\/h2\u003e\u003cp\u003eEfficient pit work wins championships. When you are thrashing between heats with your tools tire pressure gauge in one hand and a T-handle in the other, you need hardware that responds predictably. The dual-bolt fastening system on this collar ensures even torque distribution, preventing stripped threads and galled aluminum. It is a mandatory addition to any serious racer's toolbox, providing peace of mind when the track grips up and chassis flex peaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision CNC Machined:\u003c\/strong\u003e Ensures perfectly concentric clamping around 1 3\/8\" axles without tube distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Split Design:\u003c\/strong\u003e Allows for rapid installation and trackside adjustments without removing hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 1\/4\" Keyway:\u003c\/strong\u003e Locks into standard key stock to prevent rotational slipping under extreme torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Aluminum Construction:\u003c\/strong\u003e Minimizes rotating mass while delivering maximum clamping force.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Bolt Fastening:\u003c\/strong\u003e Evenly distributes torque to prevent thread galling and hardware failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e Compatible with sprint, oval, and yard kart setups utilizing a 1.375\" rear axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistant:\u003c\/strong\u003e Maintains clamping pressure despite the harmonic resonance of high-RPM engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Azusa LC138 is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This collar is specifically designed for 1 3\/8-inch (1.375\") rear axles. Please measure your axle diameter with a caliper before purchasing to ensure a proper fit, as it will not fit standard 1-inch or 40mm axles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this collar require me to remove my rear hubs for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The two-piece split design allows you to install or remove the collar anywhere on the axle without needing to slide off your hubs, bearings, or brake carriers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the purpose of the integrated 1\/4-inch keyway?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The keyway allows the collar to lock into your axle's existing key stock. This provides a mechanical fail-safe that prevents the collar from rotating or slipping under the extreme torque of heavy acceleration or braking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How tight should I torque the dual bolts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should tighten the bolts evenly in an alternating pattern to ensure the collar clamps concentrically. Avoid over-tightening to the point of stripping the threads; the dual-bolt design is intended to provide high clamping force with moderate, even torque.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this collar help with brake drag?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. By preventing lateral axle shift, this collar keeps your brake rotor perfectly centered within the caliper. This prevents the rotor from rubbing against the pads, which reduces parasitic drag and prevents brake fluid fade.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/azusa8123-40-x-1-flexproof-axle-zinc-plated-azusa8123\"\u003eAzusa Flexproof 40-Inch 1-Inch Zinc Plated Axle - Snap Ring End - Off-Road \/ Recreational\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/steering-shaft-pitman-arm-azusa-ae8129\"\u003eAzusa Steering Shaft Pitman Arm for Precise Kart Linkage\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/taper-lock-cable-anchor-ae2367\"\u003eAzusa Taper Lock Cable Anchor for Minimal Distortion in Kart Cables\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Azusa","offers":[{"title":"Default Title","offer_id":52562680381758,"sku":"LC138","price":8.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-1-3-8-axle-lock-collar-lc138.jpg?v=1763114238"},{"product_id":"aluminum-3-4-two-piece-lock-collar-lc34alum2p","title":"Lightweight Black Anodized Aluminum 3\/4 Inch Two-Piece Lock Collar","description":"\u003cul\u003e\n\u003cli\u003eAluminum build slashes weight for better acceleration\u003c\/li\u003e\n\u003cli\u003eBlack anodizing adds scratch resistance and style\u003c\/li\u003e\n\u003cli\u003eNo keyway design suits non-keyed shafts perfectly\u003c\/li\u003e\n\u003cli\u003eTwo-piece split for effortless positioning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a versatile collar for kart modifications? This 3\/4 inch option excels in securing elements without adding bulk, keeping your rig nimble. It's great for attaching guards or mounts where every ounce matters in competitive racing.\u003c\/p\u003e\u003cp\u003eBy ensuring firm holds, it prevents shifts that could misalign your setup, leading to more predictable performance and quicker adjustments at the track. A favorite for teams valuing speed through smart, lightweight choices. SKU: LC34ALUM2P\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose an aluminum lock collar over a steel one?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Aluminum is significantly lighter than steel, which helps reduce rotating mass and overall kart weight. In competitive racing, every ounce counts toward better acceleration and handling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this lock collar compatible with keyed shafts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this specific model features a non-keyed design. It is intended for smooth, non-keyed 3\/4 inch shafts where you need to secure components without the need for a keyway slot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the two-piece design make installation easier?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The two-piece split design allows you to place the collar directly onto the shaft without having to slide it on from the end. This is ideal for making quick adjustments at the track or securing components in the middle of a shaft assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this collar be used to secure heavy-duty components?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While this collar is excellent for securing guards, mounts, and light accessories, it is primarily designed for precision and weight savings. Ensure it is tightened securely to prevent shifting during high-vibration racing conditions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-axle-lock-collar-lc1\"\u003e1 Inch Two-Piece Axle Lock Collar with Keyway for Kart Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-lc30mm\"\u003ePrecision 30mm Axle Lock Collar for European-Style Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-axle-lock-collar-with-shoulder-lc30-ws\"\u003e30mm Axle Lock Collar with 7mm Shoulder for Narrow Bearing Clearance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-aluminum-axle-lock-collar-lc125\"\u003eDurable 1 1\/4 Inch Aluminum Axle Lock Collar for Secure Kart Axle Positioning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-axle-lock-collar-lc50\"\u003eStrong 50mm Aluminum Two-Piece Axle Lock Collar with 8mm Keyway\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562700861758,"sku":"LC34ALUM2P","price":8.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-aluminum-3-4-two-piece-lock-collar-lc34alum2p.jpg?v=1763114491"},{"product_id":"high-quality-1-25-black-aluminum-lock-collar-hq-lc125b","title":"Premium 1.25 Inch Black Aluminum Lock Collar with Key Slot for Kart Axles","description":"\u003cul\u003e\n\u003cli\u003eTraditional two-piece split construction ensures easy mounting\u003c\/li\u003e\n\u003cli\u003e1\/4 inch key slot prevents rotational slip under load\u003c\/li\u003e\n\u003cli\u003eBlack anodized aluminum for lightweight strength and corrosion protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis high-quality collar rivals premium options, providing the reliability needed for intense kart sessions. It secures axles precisely, reducing flex that can slow you down in turns, and helps maintain alignment for better tire wear and consistent handling.\u003c\/p\u003e\u003cp\u003eRacers appreciate its robust build, which supports aggressive driving without loosening. Integrate it into your setup to streamline maintenance and focus on shaving seconds off laps. Comparable to industry leaders, it's a smart upgrade for any competitive kart. SKU: HQ-LC125B\u003c\/p\u003e","brand":"Ruland Equivalent","offers":[{"title":"Default Title","offer_id":52562722849086,"sku":"HQ-LC125B","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-high-quality-1-25-black-aluminum-lock-collar-hq-lc125b.jpg?v=1763114778"},{"product_id":"40mm-axle-lock-collar-black-lc40-pmbk","title":"PMI Brand Black 40mm Axle Lock Collar OEM Quality for Karts","description":"\u003cp\u003eTrust in proven engineering from PMI with this black 40mm axle lock collar, the OEM choice for demanding kart applications. Marked as PM-48-40, it integrates flawlessly into high-performance setups, offering the grip needed for unrelenting speed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack finish enhances durability against track elements\u003c\/li\u003e\n\u003cli\u003ePrecise machining for exact fit on 40mm axles\u003c\/li\u003e\n\u003cli\u003eSupports Margay Ignite and similar chassis\u003c\/li\u003e\n\u003cli\u003eTwo-piece for non-disruptive installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis collar's reputation stems from its ability to maintain alignments under duress, preventing power saps that cost positions. Teams value its OEM pedigree for consistent results, making race-day prep smoother and more efficient. It indirectly accelerates your kart by ensuring stable, vibration-free operation—crucial for tight tracks. A staple for championship contenders seeking that reliable edge. SKU: LC40-PMBK\u003c\/p\u003e\u003cp\u003eBacked by industry use, it's more than hardware; it's performance assurance.\u003c\/p\u003e\u003cdiv style=\"text-align: center; color: #cc0000 !important; font-size: 1.4em;\"\u003eWe did not have a High Resolution of this item, this item picture may be different, but the description and title is accurate. The first two images are AI generated. The third image is accurate, but is not high resolution. Email if you would like a more detail picture before ordering.\u003c\/div\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with all 40mm kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this collar is precision-machined to fit any standard 40mm kart axle. It is a popular choice for Margay Ignite chassis and other high-performance racing karts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I install the two-piece axle lock collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The two-piece design allows for non-disruptive installation. Simply separate the two halves, place them around your axle in the desired position, and tighten the bolts evenly to ensure a secure, vibration-free grip.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is an axle lock collar important for race-day performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A high-quality collar maintains your axle alignment under the heavy duress of cornering. By preventing lateral movement, it ensures consistent power delivery and prevents the \"power saps\" that can cost you valuable track positions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the black finish serve a purpose beyond aesthetics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the black finish provides an extra layer of durability, helping the collar resist corrosion and wear from track elements, debris, and cleaning chemicals.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-15m-40-mini-sprocket-hub-40mm-pm-15m-40\"\u003eCompact 40mm Mini Sprocket Hub for Precision Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-standard-pm-091020\"\u003ePMI Standard Laser Axle Adaptor in Blue Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-77ma-6-75-aluminum-gear-guard-set-fits-40-thru-53-teeth-pm-77ma-6-75\"\u003ePMI Mini Gear System 6.75\" Aluminum Sprocket Guard Set - 40-53 Teeth - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52567878205758,"sku":"LC40-PMBK","price":16.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/40mm-axle-lock-collar-black-lc40-pmbk_1.jpg?v=1773104963"},{"product_id":"40mm-axle-lock-collar-lc40","title":"PMI LC40-PMBK Aluminum Axle Lock Collar - 40mm Black Anodized - Universal Karting","description":"\u003cp\u003eLocking down your 40mm rear axle is non-negotiable for transferring maximum horsepower to the track, which is why every top-tier \u003cstrong\u003ego kart shop\u003c\/strong\u003e stocks the PMI 40mm Aluminum Axle Lock Collar. When you are pushing your chassis to the absolute limit through high-G corners, axle shift can instantly ruin your alignment and scrub off vital exit speed. This precision-machined two-piece split collar clamps onto your driveline with unrelenting force, ensuring that your axle, bearings, and hubs for wheels stay perfectly positioned under extreme racing loads.\u003c\/p\u003e\u003ch2\u003eEngineered for Uncompromising Driveline Stability\u003c\/h2\u003e\u003cp\u003eWhether you are dialing in a high-horsepower shifter or optimizing a 4-cycle sprint setup, maintaining lateral axle stability is critical. Unlike generic hardware that slips under vibration, this PMI lock collar utilizes a robust dual-bolt clamping mechanism. This design provides 360-degree clamping force without marring the axle surface. When you are inspecting your rig and replacing belts parts, chains, or sprockets, integrating this collar guarantees that your drive components remain perfectly aligned. A shifting axle leads to thrown chains and bound bearings—this collar is your insurance policy against mechanical DNF's.\u003c\/p\u003e\u003ch2\u003ePrecision Fitment for a Competitive Edge\u003c\/h2\u003e\u003cp\u003eKart builders and professional tuners demand components that integrate seamlessly into their chassis. The split-design allows for rapid installation and adjustments without the need to remove the axle, bearings, or even a single tire bolt. This means faster gearing changes in the hot pits and more time focusing on your racing line. If you've been searching for the best upgrades after looking at go karts for sale near me, starting with bulletproof driveline hardware is the smartest investment you can make.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Specific Sizing:\u003c\/strong\u003e Engineered for an exact, slip-free fit on all standard 40mm metric racing axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Split Design:\u003c\/strong\u003e Allows for rapid installation and lateral adjustments without disassembling the entire rear end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAircraft-Grade Aluminum:\u003c\/strong\u003e Delivers exceptional clamping strength while minimizing rotating mass on the driveline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish:\u003c\/strong\u003e Provides superior corrosion resistance and a sleek, professional factory appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e360-Degree Clamping Force:\u003c\/strong\u003e Prevents axle scoring and ensures uniform pressure to eliminate lateral shifting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits perfectly alongside premium chassis components, sprocket carriers, and brake hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Hardware:\u003c\/strong\u003e Includes heavy-duty hex bolts designed to withstand the intense vibrations of competitive racing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to remove my axle or bearings to install this collar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The PMI LC40 features a two-piece split design, allowing you to install or adjust the collar anywhere on the axle without disassembling your rear end, hubs, or bearings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this collar damage or score my axle surface?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The collar is engineered to provide 360-degree clamping force, which distributes pressure evenly to prevent slipping without marring or scoring the surface of your 40mm axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this collar compatible with all 40mm kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this collar is designed for a universal, precision fit on all standard 40mm metric racing axles, making it compatible with most major kart chassis brands.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is an axle lock collar necessary for racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Under high-G cornering loads, your axle can shift laterally. This movement ruins your alignment, causes chain misalignment, and can lead to bound bearings or a mechanical DNF. This collar locks your components in place to ensure consistent performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-15m-40-mini-sprocket-hub-40mm-pm-15m-40\"\u003eCompact 40mm Mini Sprocket Hub for Precision Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-77ma-7-50-aluminum-gear-guard-set-fits-40-thru-60-teeth-pm-77ma-7-50\"\u003eVersatile 7.50\" Aluminum Gear Guard for 40-60 Tooth Range\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-77ma-6-75-aluminum-gear-guard-set-fits-40-thru-53-teeth-pm-77ma-6-75\"\u003ePMI Mini Gear System 6.75\" Aluminum Sprocket Guard Set - 40-53 Teeth - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-105a-pmi-rotor-guard-slotted-aluminum-pm-105a\"\u003eBlack Anodized Slotted Aluminum Rotor Guard for Kart Calipers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52567931191614,"sku":"LC40","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lockcollars-40mm-axle-lock-collar-lc40.jpg?v=1763117142"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/lockcollars-1-1-4-aluminum-axle-lock-collar-lc125.jpg?v=1788979755","url":"https:\/\/swiftkarting.com\/collections\/kart-axle-lock-collars-drive-line-parts.oembed","provider":"Swift Karting","version":"1.0","type":"link"}