{"title":"Metric Wheel Hubs","description":"\u003cp\u003eMetric wheel hubs follow metric axle and bolt-circle patterns used on many European-style karts. This category covers 17mm front hubs and 40mm rear hubs in common widths and lengths.\u003c\/p\u003e","products":[{"product_id":"25mm-magnesium-metric-pattern-front-wheel-hub-96mm-width-smg0509","title":"Premium 25mm Magnesium Metric Front Wheel Hub 96mm Width for Spindles","description":"\u003cul\u003e\n\u003cli\u003eStrictly for 25mm spindles, ensuring a flush, high-precision fit.\u003c\/li\u003e\n\u003cli\u003eAdheres to Euro 3\/58 bolt pattern for broad wheel compatibility.\u003c\/li\u003e\n\u003cli\u003e96mm width balances front geometry in metric front suspensions.\u003c\/li\u003e\n\u003cli\u003e8mm studs pre-installed; lug nuts available separately for custom torque.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFront-end finesse starts here with the 25mm magnesium metric front wheel hub, a 96mm-wide marvel that redefines lightweight engineering. Magnesium's inherent strength-to-weight ratio means this hub drops pounds from your steering assembly, granting instantaneous response to inputs—ideal for threading needles in slaloms or holding lines in high-speed sweeps.\u003c\/p\u003e\u003cp\u003eCrafted for the discerning metric racer, its Euro 3\/58 pattern opens doors to premium tire options worldwide, while the extended width supports caster adjustments for dialed-in stability. In practice sessions, the reduced mass shines by allowing finer feedback through the wheel, helping drivers sense grip limits early and avoid spins. For teams, the pre-studded design organizes wheel swaps efficiently, minimizing errors under time pressure.\u003c\/p\u003e\u003cp\u003eDurability isn't compromised; magnesium alloys resist cracking from impacts, a common front-end foe. This hub excels in braking zones, where lighter weight shortens dive and improves modulation for confident entries. Customize with kingpin kits for ultimate setup, turning your kart into a front-running machine.\u003c\/p\u003e\u003cp\u003eBeyond the track, its compact form aids storage—stack multiples without bulk. In international comps, compliance with metric specs eases tech inspections, keeping you legal and lethal. The 96mm span promotes even brake pad wear, extending service life and cutting costs. Embrace magnesium's edge for front wheels that feel telepathic.\u003c\/p\u003e\u003cp\u003eTransform steering from chore to joy with this hub's agility boost. SKU: SMG0509. Front-loaded with winning potential.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hub compatible with all kart spindles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this hub is strictly engineered for 25mm spindles. Please verify your spindle diameter before purchase to ensure a safe, high-precision fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the 96mm width?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 96mm width is designed to balance front geometry in metric front suspensions. It provides a wider track base, which helps in fine-tuning caster adjustments and improving overall stability during high-speed cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this hub come with lug nuts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The hub comes with 8mm studs pre-installed for efficient wheel swaps, but lug nuts are sold separately to allow you to choose your preferred torque and hardware style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose magnesium over aluminum for a front wheel hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Magnesium offers a superior strength-to-weight ratio. By reducing unsprung weight at the front end, you gain faster steering response, better feedback through the wheel, and improved braking modulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What bolt pattern does this hub use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This hub adheres to the standard Euro 3\/58 bolt pattern, ensuring broad compatibility with a wide range of premium racing wheels used in international karting competitions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/17mm-magnesium-metric-pattern-17mm-hubs-76mm-width-smg0502\"\u003eLightweight 17mm Magnesium Metric Pattern Hubs 76mm Width for Spindles\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SMG","offers":[{"title":"Default Title","offer_id":52562555666750,"sku":"SMG0509","price":117.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricwheelhubs-25mm-magnesium-metric-pattern-front-wheel-hub-96mm-width-smg0509.jpg?v=1763111784"},{"product_id":"17mm-magnesium-metric-pattern-17mm-hubs-76mm-width-smg0502","title":"Lightweight 17mm Magnesium Metric Pattern Hubs 76mm Width for Spindles","description":"\u003cp\u003eMagnesium's magic shines in these 17mm metric pattern hubs, clocking in at just 76mm width for a featherlight touch on your kart's wheels. Forged from premium magnesium alloy, they slash unsprung weight dramatically—up to 50% lighter than aluminum rivals—unleashing quicker suspension reactions and nimbler steering that carves corners like a scalpel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExclusively for 17mm spindles; adaptable to 5\/8\" with DSM58BRG bearing (separate).\u003c\/li\u003e\n\u003cli\u003eFactory-installed 8mm wheel studs meet industry standards for secure mounting.\u003c\/li\u003e\n\u003cli\u003e76mm width supports compact wheel designs in metric chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn weight-restricted classes like Mini Rok or cadet divisions, every gram counts, and these hubs deliver savings that translate to tangible speed gains. The metric pattern ensures compatibility with global tire brands, while the magnesium construction dissipates vibrations for a smoother ride, reducing driver fatigue over long motos. For trackside efficiency, pre-installed studs mean less assembly time, keeping your focus on strategy.\u003c\/p\u003e\u003cp\u003eEngineers appreciate the hubs' rigidity despite low mass; they maintain shape under lateral forces, preserving camber and toe for optimal tire wear. Pair with lightweight rims to amplify benefits—your kart will feel alive, pivoting effortlessly through hairpins. In dusty or rainy conditions, the material's natural corrosion resistance keeps performance steady without added coatings.\u003c\/p\u003e\u003cp\u003eOrganize your metric inventory with these versatile pieces; they're stackable and durable for transport. As a bonus, the reduced inertia aids braking, shortening stopping distances for safer, more aggressive racing lines. From club days to nationals, these hubs organize your pursuit of excellence by prioritizing speed without sacrifice. Lug nuts sold separately to match your preferences.\u003c\/p\u003e\u003cp\u003eStep into the lightweight era with SMG's magnesium innovation. SKU: SMG0502. Lighter hubs, heavier wins.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these hubs compatible with 5\/8\" spindles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, while these hubs are designed for 17mm spindles, they can be adapted to 5\/8\" spindles by using the DSM58BRG bearing, which is sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose magnesium over aluminum hubs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Magnesium hubs are significantly lighter—up to 50% lighter than aluminum—which reduces unsprung weight. This allows for quicker suspension reaction, improved steering response, and better vibration dissipation, which helps reduce driver fatigue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do these hubs come with lug nuts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the hubs come with factory-installed 8mm wheel studs for secure mounting, but lug nuts are sold separately so you can choose the style and type that best fits your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these suitable for weight-restricted karting classes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. In classes like Mini Rok or cadet divisions where every gram matters, the weight savings provided by these magnesium hubs can translate into tangible speed gains on the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do these hubs affect my kart's handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The reduced mass and high rigidity of these hubs help the kart pivot more effortlessly through corners. By maintaining their shape under lateral forces, they help preserve your alignment settings (camber and toe) for more consistent tire wear and handling.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/25mm-magnesium-metric-pattern-front-wheel-hub-96mm-width-smg0509\"\u003ePremium 25mm Magnesium Metric Front Wheel Hub 96mm Width for Spindles\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SMG","offers":[{"title":"Default Title","offer_id":52562612158782,"sku":"SMG0502","price":106.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricwheelhubs-17mm-magnesium-metric-pattern-17mm-hubs-76mm-width-smg0502.jpg?v=1763112802"},{"product_id":"k707n-ridolfi-righetti-40mm-rear-hub-95mm-length-black-k707n","title":"Ridolfi Righetti Black 40mm Rear Hub 95mm Length for Elite Metric Karts","description":"\u003cp\u003eElite Italian engineering arrives in the Ridolfi Righetti 40mm rear hub, a 95mm-length black beauty that elevates metric karting to new heights. This extended profile shifts rear weight optimally, fostering deeper grip for launches that pin you back and exits that catapult ahead of the pack. Black finish blends stealth with substance, hiding wear while showcasing pro-level quality.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e40mm bore for seamless integration with high-end metric axles.\u003c\/li\u003e\n\u003cli\u003e95mm length accommodates wider rims, fine-tuning track-specific stagger.\u003c\/li\u003e\n\u003cli\u003ePrecision-machined interfaces for bolt-on compatibility with Ridolfi components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn the crucible of grand prix circuits, this hub's rigidity prevents deflection under mega-torque from 125cc engines, ensuring power purity to the tires. The 95mm span allows nuanced adjustments in axle positioning, a favorite among chassis tuners chasing neutral handling. For endurance pros, its heat-treated alloy withstands marathon abuse, maintaining tolerances that keep laps repeatable.\u003c\/p\u003e\u003cp\u003eOrganize your elite kit around this hub—its modular design pairs with adjustable hubs or spacers for bespoke geometries. Racers in World Karting Association events laud its vibration damping, which smooths the ride and sharpens focus. The black anodizing repels grime, simplifying cleanups between sessions and preserving aesthetics for sponsor photos.\u003c\/p\u003e\u003cp\u003eVersatility extends to hybrid setups; mount it with international wheels for cross-border reliability. The extended length aids in bump compliance, absorbing chatter without upsetting balance—crucial for technical tracks. Invest in Righetti's heritage, where every millimeter counts toward podium hardware. This hub doesn't just fit; it transforms rear dynamics into a symphony of speed.\u003c\/p\u003e\u003cp\u003eFrom qualis to finals, feel the difference in controlled aggression. SKU: K707N. Italian flair, global domination.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 95mm hub compatible with all 40mm kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this hub is designed for standard 40mm metric axles. However, the 95mm length is specifically engineered to provide extra stability and track-width adjustment, making it ideal for high-performance chassis setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 95mm length affect my kart's handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The extended 95mm length allows for wider rear track adjustments. This helps in fine-tuning your stagger and weight distribution, which can increase rear grip on corner exit and improve bump compliance on technical tracks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the black anodized finish?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The black anodizing is highly durable and resistant to grime. Simply wipe the hub down with a standard degreaser between sessions to keep it clean and ensure the bolt interfaces remain free of debris for easy wheel changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub with different types of wheels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the hub features a versatile design that supports both Ridolfi components and various international wheel standards, allowing for hybrid setups to suit your specific racing requirements.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-medium-axle-40mmaxm\"\u003eRidolfi Righetti 40mm Medium Axle M2 for Balanced Kart Dynamics\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-hard-axle-40mmaxh\"\u003eRidolfi Righetti 40mm Hard Axle H2 for Rigid Track Dominance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-pegged-axle-key-three-pegs-rrpak\"\u003eOEM 40mm Three-Peg Axle Key for Ridolfi Righetti Axles\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ridolfi Righetti","offers":[{"title":"Default Title","offer_id":52562637652286,"sku":"K707N","price":118.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricwheelhubs-k707n-ridolfi-righetti-40mm-rear-hub-95mm-length-black-k707n.jpg?v=1763113384"},{"product_id":"k711n-ridolfi-righetti-40mm-rear-hub-115mm-length-black-k711n","title":"Righetti Ridolfi K711N 40mm Rear Wheel Hub - 115mm Length Black - Shifter \u0026 206 Karts","description":"\u003cp\u003eMaximizing rear-end grip and stability demands high-caliber go kart components, and the Righetti Ridolfi 40mm x 115mm rear hub delivers exactly that for high-horsepower applications. Designed specifically for karts running a 40mm rear axle, this extended 115mm hub is the definitive solution for dialing in traction on low-grip circuits or managing the aggressive torque of shifter karts. By widening the clamping surface and extending the leverage point on the axle, this hub effectively stiffens the rear assembly, reducing unwanted flex and ensuring your power translates directly to the tarmac.\u003c\/p\u003e\u003ch2\u003eEngineered for Unrelenting Durability\u003c\/h2\u003e\u003cp\u003eWhen you are pushing the limits of your chassis, reliability is non-negotiable. Milled from a solid billet of high-grade aluminum and finished with a hard-wearing black anodized coating, the K711N hub resists the corrosive effects of track debris and harsh racing environments. Unlike standard hubs that can warp or slip under extreme lateral loads, this 115mm variant utilizes a robust clamping design alongside integrated 8mm keyways to lock onto the axle with zero play. Whether you are rebuilding your entire rear assembly or just swapping out worn mounting hardware, this hub guarantees a bulletproof fitment.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Your Setup\u003c\/h2\u003e\u003cp\u003eTuning a kart requires a holistic approach—from optimizing your engine parts to refining your turn-in response with a go kart steering wheel upgrade. This Righetti Ridolfi hub complements those modifications by anchoring the rear end, allowing your chassis to track true through high-speed sweepers. It features the standard European bolt pattern (3\/58) and comes pre-fitted with heavy-duty M8 steel wheel studs, making wheel changes in the hot pits fast and secure. If you are already running a precision go kart steering kit, adding this 115mm rear hub will balance the chassis dynamics, giving you the confidence to attack apexes without fear of the rear stepping out unpredictably.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended 115mm Profile:\u003c\/strong\u003e Maximizes rear grip and chassis stiffness, ideal for shifter karts and high-horsepower classes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Axle Compatibility:\u003c\/strong\u003e Precision-machined bore fits seamlessly onto standard 40mm European and modern 206-specific axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Aluminum Construction:\u003c\/strong\u003e Offers an exceptional strength-to-weight ratio, reducing unsprung mass without sacrificing durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish:\u003c\/strong\u003e Provides superior corrosion resistance and a sleek, professional aesthetic in the paddock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated M8 Steel Studs:\u003c\/strong\u003e Factory-installed wheel studs ensure secure wheel mounting and strip-resistant longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Euro Pattern:\u003c\/strong\u003e Utilizes the universal 3\/58 bolt pattern for broad compatibility with modern kart wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8mm Keyway:\u003c\/strong\u003e Locks securely into the axle keyway to prevent rotational slipping under heavy acceleration.\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 115mm hub over a standard length hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 115mm length provides a wider clamping surface on the axle, which increases chassis stiffness and rear-end grip. This is particularly beneficial for high-horsepower shifter karts or when racing on low-grip track surfaces where you need to maximize traction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hub compatible with my 40mm axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the K711N is precision-machined specifically for 40mm rear axles, which are standard on most modern European karts and 206-class chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this hub come with the necessary hardware to mount my wheels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this hub comes pre-fitted with heavy-duty M8 steel wheel studs, allowing for a secure, strip-resistant connection to your wheels using the standard 3\/58 European bolt pattern.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure the hub doesn't slip on the axle during acceleration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The K711N features an integrated 8mm keyway. Ensure your axle key is properly seated in both the axle and the hub keyway before tightening the clamping bolts to prevent any rotational slipping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub on a 30mm axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this hub is designed exclusively for 40mm axles. Attempting to install it on a 30mm axle will result in a poor fit and potential safety hazards.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-soft-axle-40mmaxs\"\u003eRighetti Ridolfi KD120-S6 40mm Soft Rear Axle - 3mm Wall - Margay Ignite\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ws4mm-4mm-wheel-spacer-17mm-ws4mm\"\u003eRighetti Ridolfi Metric Front Wheel Spacer - 17mm ID x 4mm - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Righetti Ridolfi","offers":[{"title":"Default Title","offer_id":52562637685054,"sku":"K711N","price":124.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricwheelhubs-k711n-ridolfi-righetti-40mm-rear-hub-115mm-length-black-k711n.jpg?v=1763113385"},{"product_id":"pkt-30mm-x-30mm-rear-wheel-hub-sold-each-pkt30x30rh","title":"PKT Compact 30mm x 30mm Rear Wheel Hub - Metric Bore - Cadet\/Junior Class","description":"\u003cp\u003eTrimming unsprung weight at the rear axle is critical for maximizing acceleration out of tight hairpins, and as a premier go kart shop, we know the PKT Compact 30mm x 30mm Rear Wheel Hub delivers exactly that advantage. Engineered specifically for metric chassis setups, this diminutive powerhouse provides a low-profile mount that keeps your center of gravity pinned to the tarmac. By reducing rotational mass on the drivetrain, young drivers and cadet racers experience snappier throttle response and superior cornering grip.\u003c\/p\u003e\u003ch2\u003ePrecision Engineering for Metric Chassis Dynamics\u003c\/h2\u003e\u003cp\u003eIn spec racing classes where every ounce of performance matters, maintaining precise tolerances prevents axle slop and ensures 100% of your engine output reaches the pavement. Just like dialing in your steering wheel and front-end geometry, optimizing your rear track width with these compact 30mm hubs allows for meticulous setup tweaks between heats. The high-tensile, corrosion-resistant alloy construction stands up to the brutal abuse of junior-class racing, shrugging off curb strikes and gravel trap excursions while maintaining perfect concentricity.\u003c\/p\u003e\u003ch2\u003eEssential Maintenance and Trackside Tuning\u003c\/h2\u003e\u003cp\u003eWhether you are performing routine maintenance like changing motor engine oil and swapping engine filters, or doing a complete rear-end overhaul, the PKT 30mm hub's drop-in compatibility makes trackside adjustments seamless. Its anti-rotation slots and standard metric hardware compatibility mean less time wrenching and more time turning laps. For those constantly searching for the best go karts for sale near me, upgrading your current cadet chassis with PKT's precision-machined hubs is often the smarter path to the podium.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30mm x 30mm Profile:\u003c\/strong\u003e Ultra-compact dimensions drastically reduce unsprung rotational mass for faster acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric Axle Compatibility:\u003c\/strong\u003e Precision-bored to fit standard 30mm metric rear axles with zero slop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Alloy Construction:\u003c\/strong\u003e Aircraft-grade aluminum ensures maximum durability against curb strikes and high-G cornering loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Contact Patch:\u003c\/strong\u003e Ideal for narrower entry-level tires, maximizing wet-weather grip and dry-track stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Rotation Slots:\u003c\/strong\u003e Engineered to lock securely onto the axle keyway, preventing hub slip under heavy torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Finish:\u003c\/strong\u003e Anodized coating protects against harsh track elements, degreasers, and brake dust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual Sizing:\u003c\/strong\u003e Sold individually to allow cost-effective stocking of spares for multi-kart teams and driving coaches.\u003c\/li\u003e\n\u003c\/ul\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\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: How do I know if this 30mm hub is compatible with my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This hub is designed specifically for 30mm metric rear axles. Please verify your axle diameter before purchasing, as this will not fit 40mm or 50mm axle setups common in senior classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this hub come with the necessary hardware to mount to the axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This product includes the hub itself. It is designed to work with standard metric hardware and utilizes anti-rotation slots to lock onto your existing axle keyway. Ensure your axle keys are in good condition for a secure fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a compact hub over a standard length hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The PKT Compact hub is engineered to reduce unsprung rotational mass. By trimming this weight, you improve your kart's acceleration out of corners and achieve a more responsive throttle, which is particularly beneficial for Cadet and Junior classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these hubs sold as a pair or individually?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These hubs are sold individually. This allows you to purchase a single replacement if you experience damage during a race or to stock spares for your team efficiently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain these hubs to ensure they last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The hubs feature a corrosion-resistant anodized finish. To maintain them, simply clean off brake dust and track debris after each race weekend. Periodically inspect the anti-rotation slots for any signs of wear to ensure they remain locked securely on the axle.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-30mm-axle-3-0mm-pkt30-1000-30\"\u003ePKT 30mm x 1000mm Racing Axle - 3.0mm Wall - Heavy Duty Sprint \/ Outlaw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-30mm-axle-3-9mm-pkt30-1000-d39\"\u003ePKT 30mm Axle with 3.9mm Offset for Superior Track Handling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-30mm-axle-2-1mm-pkt30-1000-21\"\u003ePKT 30mm 1000mm Axle 2.1mm Wall for Balanced Kart Racing Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-30mm-axle-2-5mm-pkt30-1000-d25\"\u003ePKT 30mm 1000mm Axle - 2.5mm Wall - CIK\/FIA Compliant\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pktak8-axle-key-for-40mm-axles-sold-each-pktak8\"\u003eHeavy-Duty Axle Key for 40mm and 30mm PKT Kart Axles\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PKT","offers":[{"title":"Default Title","offer_id":52562657083710,"sku":"PKT30X30RH","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/pkt-30mm-x-30mm-rear-wheel-hub-sold-each-pkt30x30rh_1.jpg?v=1773094375"},{"product_id":"pkt-40mm-x-35mm-rear-wheel-hub-pkt40x35rh","title":"PKT 40mm x 35mm Shorty Rear Wheel Hub - Metric 52mm Pattern - LO206","description":"\u003cp\u003eWhen sourcing new parts from a premier go kart shop, every ounce of rotational mass matters. The PKT 40mm x 35mm Shorty Rear Wheel Hub is engineered to free up your chassis, specifically designed to let the axle do its work without binding. By reducing the footprint on the axle to a mere 35mm, this hub minimizes lateral stiffness, allowing your kart to flex naturally and carry maximum momentum through the apex. It's the ultimate upgrade for racers looking to maximize their briggs and stratton lo206 horsepower output by eliminating drivetrain drag and optimizing rear grip.\u003c\/p\u003e\u003ch2\u003ePrecision Engineering Beyond Standard New Parts\u003c\/h2\u003e\u003cp\u003eUnlike standard cast hubs, the PKT Shorty is CNC-machined from aerospace-grade aluminum, delivering a rigid yet lightweight interface between your axle and wheels. The single 8mm pinch bolt provides superior clamping force without distorting the axle tube. To guarantee zero lateral movement under heavy cornering loads, PKT integrated dual 6mm set screws that lock the 8mm key firmly in place. This ensures your rear track width remains perfectly consistent, lap after grueling lap.\u003c\/p\u003e\u003ch2\u003eComplement Your Setup: From Brake Pistons to Engine Bearings\u003c\/h2\u003e\u003cp\u003eA balanced chassis requires harmony across all components. Just as you wouldn't compromise on high-performance brake pistons for stopping power or low-friction engine bearings for top-end speed, your wheel hubs demand the same level of scrutiny. The 52mm metric bolt pattern comes standard with 8mm zinc-plated series 4100 wheel studs, providing bulletproof reliability during rapid tire changes. Finished in a sleek black anodize with laser engraving, it looks as fast as it performs.\u003c\/p\u003e\u003ch2\u003eMaximize Tuning Potential with a Fresh Carb Kit and Hub Geometry\u003c\/h2\u003e\u003cp\u003eTuning for changing track conditions is where races are won. While adjusting your fuel mixture with a precision carb kit handles the engine's power delivery, dialing in your rear track width with these 35mm hubs dictates how that power translates to the asphalt. The shorter hub length gives you a wider range of adjustment on a 40mm axle, allowing you to widen or narrow the rear track to induce or reduce mechanical grip as needed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized 35mm Width:\u003c\/strong\u003e Reduces axle bind and allows the chassis to flex naturally for improved corner speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Axle Compatibility:\u003c\/strong\u003e Precision bored for a flawless fit on all standard 40mm metric kart axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Clamping System:\u003c\/strong\u003e Features a robust 8mm pinch bolt to secure the hub without lateral slipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Set Screw Design:\u003c\/strong\u003e Twin 6mm set screws lock the 8mm keyway firmly, preventing keyway wallow under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric 52mm Bolt Pattern:\u003c\/strong\u003e Industry-standard spacing equipped with high-strength 8mm zinc-plated 4100 series studs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Aluminum:\u003c\/strong\u003e CNC-machined construction shaves rotational weight while maintaining structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish:\u003c\/strong\u003e Protects against corrosion and track debris, complete with premium laser-engraved PKT branding.\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 35mm \"Shorty\" hub over a standard length hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 35mm length reduces the footprint on your axle, which decreases lateral stiffness. This allows your chassis to flex more naturally, helping the kart \"lift\" the inside rear wheel more effectively and carry better momentum through corners, especially in LO206 classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this hub fit my current kart setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This hub is precision-bored for all standard 40mm metric kart axles. It features a 52mm bolt pattern, which is the industry standard for most racing wheels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do the dual set screws improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The dual 6mm set screws are designed to lock the 8mm keyway firmly in place. This prevents \"keyway wallow,\" ensuring your rear track width remains consistent and preventing the hub from shifting under heavy cornering loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install these hubs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation is straightforward using standard metric hex keys for the pinch bolt and set screws. Ensure your axle is clean and free of debris before sliding the hub on to ensure a perfect fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these hubs with different axle wall thicknesses?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, these hubs are compatible with various 40mm axle wall thicknesses. However, because the hub affects chassis flex, you may need to adjust your axle choice (e.g., moving to a different stiffness) to complement the change in hub length.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-40mm-axle-3-2mm-pkt40-1040-d32\"\u003ePKT 40mm Axle 3.2mm Offset for Robust Track Stability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-40mm-axle-2-5mm-pkt40-1040-d25\"\u003ePKT 40mm x 1040mm Axle - 2.5mm Wall - LO206 \/ Cadet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-40mm-axle-2-0mm-pkt40-1040-d20\"\u003ePKT 40mm Axle 2.0mm Offset for Lightweight Track Agility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pktak8-axle-key-for-40mm-axles-sold-each-pktak8\"\u003eHeavy-Duty Axle Key for 40mm and 30mm PKT Kart Axles\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PKT","offers":[{"title":"Default Title","offer_id":52562657149246,"sku":"PKT40X35RH","price":92.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricwheelhubs-pkt-40mm-x-35mm-rear-wheel-hub-pkt40x35rh.jpg?v=1763113786"},{"product_id":"vle-2360-rear-wheel-hub-40mm-35mm-length-vle2360","title":"40mm Rear Wheel Hub 35mm Length for Compact VLR Kart Rear Setup","description":"\u003cp\u003eCompact power meets rear-end stability in the VLE2360 Rear Wheel Hub, featuring a 40mm bore and 35mm length tailored for VLR karts. This hub is engineered to optimize your drivetrain's efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eShort 35mm length reduces unsprung weight for nimbler handling\u003c\/li\u003e\n\u003cli\u003e40mm compatibility with metric axles and sprockets\u003c\/li\u003e\n\u003cli\u003ePrecision flanges for secure wheel and brake mounting\u003c\/li\u003e\n\u003cli\u003eHeat-treated for endurance under high torque\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy minimizing rotational inertia, this hub helps your kart accelerate faster from low speeds, a boon on short straights or restart scenarios. Its design ensures even load distribution, preventing hub failures that could sideline you mid-race. Kart tuners appreciate how it integrates with various rear setups, allowing for customized stagger and camber.\u003c\/p\u003e\u003cp\u003eTrackside, a reliable rear hub like the VLE2360 means fewer adjustments and more laps, keeping your focus on strategy rather than mechanics. It's ideal for classes emphasizing lightweight builds, where every gram counts toward victory.\u003c\/p\u003e\u003cp\u003eEnhance your kart's propulsion system without added bulk – this hub delivers smooth power transfer to the tires, boosting overall grip and control. SKU: VLE2360. For oval racers, its compact profile aids in tighter packaging with differentials.\u003c\/p\u003e\u003cp\u003eInvest in this metric marvel to streamline your rear assembly and gain that competitive traction edge.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hub compatible with all 40mm kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the VLE2360 is designed for standard 40mm metric axles. It is specifically engineered for VLR karts to ensure a precise fit and optimal power transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a 35mm length hub over a longer version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 35mm length is ideal for reducing unsprung weight and minimizing rotational inertia. This helps your kart accelerate faster out of corners, making it a great choice for classes where every gram counts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this hub include the hardware for mounting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This product is the hub itself. We recommend ensuring your existing axle keys and wheel studs are in good condition before installation to maintain a secure fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub for oval racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. Its compact 35mm profile is particularly beneficial for oval racers, as it allows for tighter packaging when using differentials.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my rear wheel hubs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your hubs before every race weekend. Check for any signs of stress or hairline fractures, especially around the flange, and ensure the set screws or bolts are torqued to the manufacturer's specifications to prevent movement on the axle.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/vle-2369-rear-wheel-hub-40mm-95mm-length-vle2369\"\u003evle-2369-rear-wheel-hub-40mm-95mm-length-vle2369\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/vls2310-front-wheel-hub-17mm-50mm-width-vls2310\"\u003evls2310-front-wheel-hub-17mm-50mm-width-vls2310\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/vle4050-axle-cassette-sold-each-vle4050\"\u003evle4050-axle-cassette-sold-each-vle4050\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VLR Karts","offers":[{"title":"Default Title","offer_id":52566742499646,"sku":"VLE2360","price":121.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/wheelhubs-vle-2360-rear-wheel-hub-40mm-35mm-length-vle2360.jpg?v=1763116648"},{"product_id":"vle-2369-rear-wheel-hub-40mm-95mm-length-vle2369","title":"Extended 40mm Rear Wheel Hub 95mm Length for VLR Kart Stability","description":"Transform your kart's rear dynamics with the expansive VLE2369 Rear Wheel Hub, a 40mm metric unit spanning 95mm in length – ideal for VLR configurations seeking maximum stability.\u003cp\u003eThis hub's elongated design accommodates larger brake rotors and wheel offsets, crucial for maintaining traction during hard acceleration. It features robust bearings that handle the torque from high-rev engines, ensuring consistent performance lap after lap.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e95mm length for versatile mounting options\u003c\/li\u003e\n\u003cli\u003e40mm bore suited to standard metric axles\u003c\/li\u003e\n\u003cli\u003eReinforced sidewalls to support heavy loads\u003c\/li\u003e\n\u003cli\u003eLow-friction seals to keep debris out\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOn twisty tracks, the added width from this hub promotes better rear-end grip, reducing wheel spin and improving exit speeds from corners. It's a favorite among endurance racers for its ability to endure prolonged sessions without overheating or loosening.\u003c\/p\u003e\u003cp\u003eOrganizing your pit area becomes simpler with this hub's straightforward specs – no guesswork in compatibility. The VLE2369 elevates your kart from standard to superior, directly impacting your ability to pull away from the pack.\u003c\/p\u003e\u003cp\u003eSKU: VLE2369. For those building for speed and strength, this extended hub is indispensable, offering the platform for custom rear geometries that win races.\u003c\/p\u003e\u003cp\u003eFeel the security of a well-supported rear; it's the foundation for pushing limits safely.\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 95mm hub compatible with all 40mm kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the VLE2369 is designed for standard 40mm metric axles. The 95mm length provides an extended footprint, which is ideal for fine-tuning rear-end grip and track width.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 95mm length affect my kart's handling compared to shorter hubs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The extended 95mm length increases the rear track width, which typically provides more stability and improved rear-end grip during corner exit. It is particularly effective on twisty tracks where maximizing traction under acceleration is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this rear wheel hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation is straightforward. You will need standard metric hex keys or wrenches to secure the hub to the axle keyway. Ensure the set screws are tightened evenly to prevent the hub from shifting during high-torque sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub for endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. This hub features reinforced sidewalls and robust construction, making it a favorite for endurance racers who need a component that can withstand prolonged heat and stress without loosening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What should I do if I need to adjust my track width further?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you need a different setup, you can swap this hub with shorter alternatives, such as the 35mm length hub, to narrow your rear track width and adjust the kart's handling characteristics to suit different track conditions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/vle-2360-rear-wheel-hub-40mm-35mm-length-vle2360\"\u003e40mm Rear Wheel Hub 35mm Length for Compact VLR Kart Rear Setup\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/vle4050-axle-cassette-sold-each-vle4050\"\u003evle4050-axle-cassette-sold-each-vle4050\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VLR Karts","offers":[{"title":"Default Title","offer_id":52566742565182,"sku":"VLE2369","price":128.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/vle-2369-rear-wheel-hub-40mm-95mm-length-vle2369_1.jpg?v=1773097685"},{"product_id":"ridolfi-righetti-k994n-17mm-aluminum-front-hub-50mm-black","title":"Ridolfi Righetti 17mm Black Anodized Aluminum Front Hub - 50mm Width Kart Part","description":"\u003ch2\u003eRidolfi Righetti K994N 17mm Aluminum Front Hub\u003c\/h2\u003e\n\u003cp\u003eUpgrade your kart's front end with the premium Ridolfi Righetti 17mm aluminum front hub, designed for precision and durability. This 50mm width hub features a sleek black anodized finish that not only looks sharp on the track but also provides excellent corrosion resistance for long-lasting performance in demanding racing conditions.\u003c\/p\u003e\n\u003cp\u003eCrafted from high-quality aluminum, it keeps weight down without sacrificing strength, helping optimize your kart's handling and speed. The standard 3\/58 Euro bolt pattern ensures broad compatibility with popular kart wheels, making it a versatile choice for racers seeking reliable components.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e17mm bore for secure axle fitment\u003c\/li\u003e\n\u003cli\u003e50mm overall width for proper stance\u003c\/li\u003e\n\u003cli\u003eBlack anodized aluminum construction\u003c\/li\u003e\n\u003cli\u003ePre-installed studs (nuts sold separately)\u003c\/li\u003e\n\u003cli\u003eIncludes high-quality bearings for smooth operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for club and regional karting, this front hub installs quickly and delivers consistent results lap after lap. Whether you're building a new setup or replacing worn parts, the Ridolfi Righetti hub stands out for its engineering and finish quality.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cp\u003eExperience reduced rotational mass for quicker acceleration, enhanced durability against track abuse, and a professional blacked-out aesthetic that complements any kart build. Studs come pre-installed to streamline assembly, so you spend less time wrenching and more time racing.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat bolt pattern does this hub use?\u003c\/h4\u003e\n\u003cp\u003eStandard 3\/58 Euro pattern for wide wheel compatibility.\u003c\/p\u003e\n\u003ch4\u003eAre nuts included with the studs?\u003c\/h4\u003e\n\u003cp\u003eNo, studs are pre-installed, but nuts are not included.\u003c\/p\u003e\n\u003ch4\u003eWhat material is the hub made from?\u003c\/h4\u003e\n\u003cp\u003eBlack anodized aluminum for lightweight strength and corrosion resistance.\u003c\/p\u003e\n\u003ch4\u003eWhat is the hub width and bore size?\u003c\/h4\u003e\n\u003cp\u003e50mm width with 17mm bore for standard front axles.\u003c\/p\u003e\n\u003ch4\u003eDoes it include bearings?\u003c\/h4\u003e\n\u003cp\u003eYes, equipped with bearings for immediate use.\u003c\/p\u003e","brand":"Ridolfi Righetti","offers":[{"title":"Default Title","offer_id":53244436480318,"sku":"K994N","price":76.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/K994N_Ridolfi_Righetti_17mm_Aluminum_Front_Hub_50mm_Width_Black.jpeg?v=1774900472"},{"product_id":"40mm-x-50mm-rear-wheel-hub","title":"40mm x 50mm Rear Wheel Hub","description":"\u003cp\u003e\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 40mm\u003cbr\u003e\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 50mm\u003cbr\u003e\u003cstrong\u003eKeyway:\u003c\/strong\u003e 8mm\u003cbr\u003e\u003cstrong\u003eStuds:\u003c\/strong\u003e 8mm (nuts not included)\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e Short\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Billet Aluminum\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/p\u003e\u003cp\u003eThis billet aluminum rear wheel hub slides onto a \u003ca href=\"\/products\/pkt-40mm-axle-2-0mm-pkt40-1040-d20\"\u003e40mm kart axle\u003c\/a\u003e and bolts your wheel on with the three included 8mm studs. The \u003ca href=\"\/products\/pktak8-axle-key-for-40mm-axles-sold-each-pktak8\"\u003e8mm keyway\u003c\/a\u003e transfers torque cleanly while the \u003ca href=\"\/products\/pkt-40mm-x-35mm-rear-wheel-hub-pkt40x35rh\"\u003eshort hub design\u003c\/a\u003e cuts unsprung weight and gives extra clearance on tight sprint chassis. Perfect for LO206 sprint racing, the hub keeps wheels secure and aligned lap after lap whether you are new to karting or chasing tenths at the track.\u003c\/p\u003e\u003cp\u003eRacers like the precise fit and Birel Red Army endorsement for LO206 sprint classes. The black anodized finish resists corrosion and looks clean next to any wheel package.\u003c\/p\u003e\u003cdiv class=\"faq-q\"\u003e\u003cstrong\u003eWill this 40mm x 50mm rear wheel hub fit my LO206 sprint kart?\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv class=\"faq-a\"\u003eYes, it is designed specifically for 40mm axles with an 8mm keyway and is endorsed for LO206 sprint racing on common sprint chassis.\u003c\/div\u003e\u003cdiv class=\"faq-q\"\u003e\u003cstrong\u003eHow do I install the hub and are the wheel nuts included?\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv class=\"faq-a\"\u003eSlide the hub onto the axle, align the key, tighten the set screw, then bolt your wheel on using the pressed-in 8mm studs. Wheel nuts are not included and must be purchased separately.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:28px 0;\"\u003e\n  \u003cp style=\"font-weight:700;margin:0 0 10px 0;font-size:1.02em;\"\u003e⚡ Product Highlights\u003c\/p\u003e\n  \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;\"\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eSlides onto 40mm kart axles and secures wheels with three pressed-in 8mm studs.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003e8mm keyway transfers torque from axle to wheel without slippage.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eShort hub design reduces unsprung weight on sprint chassis.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eBillet aluminum construction provides strength while keeping weight low.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eFits LO206 sprint racing classes with precise 50mm outer diameter.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eIncludes set screw hole for additional axle security.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eMade in the USA and endorsed by Birel Red Army teams.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eNuts for the 8mm studs are not included.\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"PKT","offers":[{"title":"Default Title","offer_id":53415152779582,"sku":"PKT40X50RH","price":97.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/pkt-40mm-x-50mm-rear-wheel-hub-three-quarter.jpg?v=1777629163"},{"product_id":"25mm-x-30mm-rear-wheel-hub","title":"25mm x 30mm Rear Wheel Hub","description":"\u003cp\u003eThis 25mm x 30mm rear wheel hub from PKT slides straight onto your kart axle and gives you a rock-solid mount for the wheel. Made from lightweight aluminum with an 8mm keyway already cut and three 8mm wheel studs pressed in, it keeps everything secure through hard cornering while cutting unsprung weight. Perfect for both new racers learning the basics and experienced drivers chasing every gram of rotating mass.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyway:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStuds:\u003c\/strong\u003e 8mm (installed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e Short\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy it matters on track:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect fit on \u003ca href=\"\/products\/pkt-25mm-axle-with-3-0mm-wall-pkt25-970-d30\"\u003e25mm kart axles\u003c\/a\u003e using \u003ca href=\"\/products\/pktak8-axle-key-for-40mm-axles-sold-each-pktak8\"\u003ePKTAK8 key\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eShort design reduces rotating mass versus standard hubs\u003c\/li\u003e\n\u003cli\u003ePre-installed studs mean faster wheel changes between heats\u003c\/li\u003e\n\u003cli\u003ePrecision machined for zero wobble at high cornering speeds\u003c\/li\u003e\n\u003cli\u003eNuts not included - uses standard 8mm wheel nuts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdetails\u003e\u003csummary\u003eWhat axles and keys does this 25mm rear wheel hub fit?\u003c\/summary\u003e\u003cp\u003eThis hub is designed for standard 25mm kart axles and uses the PKTAK8 key. It works on most metric rear axle setups in sprint and oval kart racing. Always confirm your axle diameter and key size before ordering.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre wheel nuts and hardware included with this PKT hub?\u003c\/summary\u003e\u003cp\u003eNo, wheel nuts are not included. The hub ships with the three 8mm studs already installed. You will need to supply your own 8mm wheel nuts - most racers use standard flanged or nylock nuts.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv style=\"margin:28px 0;\"\u003e\n  \u003cp style=\"font-weight:700;margin:0 0 12px 0;font-size:1.02em;\"\u003e🏁 Product Highlights\u003c\/p\u003e\n  \u003cdiv style=\"display:grid;grid-template-columns:repeat(2,1fr);gap:8px;\"\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eThis rear wheel hub slides onto a 25 mm kart axle and provides a mounting point for the wheel.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eThe hub features an 8 mm keyway that matches PKTAK8 keys on PKT axles.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eThree 8 mm wheel studs come pressed into the hub for direct wheel attachment.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eShort hub design reduces rotating mass compared to standard length hubs.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eMade from aluminum for a lightweight build that helps lower unsprung weight.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eBlack anodized finish protects the aluminum from corrosion during race weekends.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eHub measures 25 mm inner diameter by 30 mm outer diameter and is made in the USA.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eNuts are not included with the hub and must be purchased separately.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eFits standard 25 mm rear axles used in most sprint and oval karts.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"PKT","offers":[{"title":"Default Title","offer_id":53415173620030,"sku":"PKT25X30RH","price":67.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/pkt-25mm-30mm-rear-wheel-hub-three-quarter.jpg?v=1777629400"},{"product_id":"17mm-x-50mm-wide-front-wheel-hub","title":"17mm x 50mm Wide Front Wheel Hub","description":"\u003cp\u003eThis 17mm x 50mm wide front wheel hub from PKT connects your kart wheel to the spindle on most sprint and oval karts. Beginners will appreciate that it is the metal piece that slides onto the front axle so you can bolt the tire and wheel on securely. Racers who already know their way around a kart will like the short-length design that cuts unsprung weight while keeping full bearing support.\u003c\/p\u003e\u003cp\u003eMade from aluminum and finished in black, the hub presses onto standard 17mm front wheel spindles. It comes with three pre-installed 8mm wheel studs ready for mounting. The 50mm width gives solid support under the side loads that come with hard cornering, and the whole assembly stays light so your front end responds quickly.\u003c\/p\u003e\u003cdiv class=\"tip-block\"\u003e\n\u003cstrong\u003eSafety Notes:\u003c\/strong\u003e \u003cem\u003eAlways torque wheel nuts to the kart manufacturer's recommended spec after mounting. Loose wheel hardware on a 17mm front wheel hub can cause vibration or wheel loss at speed.\u003c\/em\u003e\n\u003c\/div\u003e\u003cp\u003eThe hub is made in the USA from quality aluminum that resists corrosion and stays true under repeated racing stress. Whether you are replacing a bent hub after a big hit or building a new kart from scratch, this part gives reliable performance without adding extra grams.\u003c\/p\u003e\u003cdiv class=\"tip-block\"\u003e\n\u003cstrong\u003eSafety Notes:\u003c\/strong\u003e \u003cem\u003eInspect your 17mm front wheel hub and studs before every race weekend. Look for cracks around the stud bases or play in the bearing bore that could affect steering precision and safety.\u003c\/em\u003e\n\u003c\/div\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Bearing Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStud Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStuds Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (nuts not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eFits standard 17mm front wheel spindles on most sprint and oval karts. The pre-pressed studs make wheel changes at the track fast and simple.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdetails\u003e\u003csummary\u003eWill this 17mm x 50mm front wheel hub fit my sprint kart?\u003c\/summary\u003e\u003cp\u003eYes, it fits standard 17mm front wheel spindles on most sprint and oval karts. Confirm your spindle diameter before ordering to ensure perfect compatibility with your chassis.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre the 8mm wheel studs already installed on this PKT hub?\u003c\/summary\u003e\u003cp\u003eThe 8mm studs are pressed in at the factory and ready to use. Wheel nuts are not included so you can select the exact style and length you prefer for your setup.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I install this front wheel hub on my kart?\u003c\/summary\u003e\u003cp\u003eSimply press the 17mm bore onto your clean spindle, secure with the retainer if your chassis uses one, then mount the wheel using the pre-installed studs. Proper installation keeps steering precise and reduces vibration.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes this wheel hub come with a warranty?\u003c\/summary\u003e\u003cp\u003ePKT hubs carry the manufacturer's warranty against defects in materials and workmanship. Normal track wear on the bearing surface or studs is not covered.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003e\u003cstrong\u003eMore from PKT\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pktak6-axle-key-for-30mm-axles-sold-each-pktak6\"\u003ePKT 30mm Axle Key - 8x60mm Dual 6mm Peg - Sprint\/Endurance Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pktak8-axle-key-for-40mm-axles-sold-each-pktak8\"\u003eHeavy-Duty Axle Key for 40mm and 30mm PKT Kart Axles\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-25mm-axle-with-3-0mm-wall-pkt25-970-d30\"\u003ePKT 25mm 970mm Axle 3.0mm Wall for High-Performance Kart Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pkt-30mm-axle-2-1mm-pkt30-1000-21\"\u003ePKT 30mm 1000mm Axle 2.1mm Wall for Balanced Kart Racing Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin:28px 0;\"\u003e\n  \u003cp style=\"font-weight:700;margin:0 0 10px 0;font-size:1.02em;\"\u003e⚡ Product Highlights\u003c\/p\u003e\n  \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;\"\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eConnects the front wheel and tire to the 17mm kart spindle.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eInner bearing diameter measures exactly 17mm.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eHub width is 50mm for stable wheel mounting.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eThree 8mm wheel studs are pressed in and ready to use.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eFits standard 17mm front spindles on most sprint and oval karts.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eMade from aluminum with a black anodized finish.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eShort length design reduces unsprung weight on the front end.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eProvides full bearing support under cornering side loads.\u003c\/span\u003e\n\u003cspan style=\"background:#e8f3ff;border:1px solid #a8ccec;border-radius:20px;padding:5px 14px;font-size:0.87em;color:#1a4a7a;white-space:normal;\"\u003eManufactured in the USA by PKT.\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"PKT","offers":[{"title":"Default Title","offer_id":53415186661694,"sku":"PKT17X50FH","price":70.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/pkt-17mm-50mm-front-wheel-hub-three-quarter.jpg?v=1777629601"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/metricwheelhubs-17mm-magnesium-metric-pattern-17mm-hubs-76mm-width-smg0502.jpg?v=1789002319","url":"https:\/\/swiftkarting.com\/collections\/metric-pattern-kart-wheel-hubs.oembed","provider":"Swift Karting","version":"1.0","type":"link"}