{"title":"Sprint CIK Rear Bumpers","description":"\u003cp\u003eSprint CIK rear bumpers are homologated rear bodywork bars and kits used on sprint karts to meet CIK-FIA rear protection rules and to shield the chassis, axle, and sprocket area in contact. This category covers complete bumper kits plus mount and hardware kits sized for common 28 mm and 30 mm tube setups.\u003c\/p\u003e","products":[{"product_id":"bwk5201-kg-black-rs3-rear-bumper-kit-bwk5201","title":"KG RS3 Rear Bumper Kit - 3-Piece Adjustable (1200-1400mm) - CIK Homologated Adult","description":"\u003cp\u003eWhen you're sourcing premium kart parts for your adult sprint chassis, the KG Black RS3 Rear Bumper Kit delivers the exact aerodynamic efficiency and impact dispersion required for high-stakes racing. Rear bumpers bear the brunt of pursuits and aggressive drafting, making a rigid yet flexible rear shield critical. This three-piece CIK homologated adult system equips you thoroughly, ensuring your tail remains planted and stable even when the pack gets tight.\u003c\/p\u003e\u003ch2\u003eEngineered for Impact: The KG RS3 Advantage\u003c\/h2\u003e\u003cp\u003eBack-end impacts can spin or slow you, but the RS3 kit disperses force across its segmented structure, preserving chassis stability. The three-piece modular approach allows the bumper to flex exactly where needed, reducing the risk of cracking while maintaining essential rear downforce for planted corner exits. In CIK adult classes, homologation ensures fairness, and the RS3's aero contours actively aid in drag reduction. The durable black finish weathers the elements, staying fully functional through rainy meets and relentless track abuse.\u003c\/p\u003e\u003ch2\u003eProtecting Your Motor Engine and Drivetrain\u003c\/h2\u003e\u003cp\u003eSafety integrates directly with speed. A robust rear bumper protects vital fuel systems, the exhaust, and the motor engine from rear taps, extending component life and preventing catastrophic DNF scenarios. Whether you're running a high-revving 2-cycle or a heavy-torque 4-cycle engine and motor setup, the RS3 provides a crucial buffer zone. Strategic use of this bumper allows you to execute rear-guard defensive tactics confidently, knowing your powertrain is shielded.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Mounting Hardware\u003c\/h2\u003e\u003cp\u003eBuild details emphasize track-side ease. While chassis-specific mounts require separate acquisition, the included assembly mounting hardware simplifies the initial build of the three bumper components. Torque the hardware, align the pieces to your desired width (adjustable from 1200mm to 1400mm), and race. For racers looking to completely overhaul their rig, pairing this bumper with a go kart steering wheel upgrade will completely transform your kart's handling and defensive capabilities.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-Piece Modular Design:\u003c\/strong\u003e Segmented upper, lower, and side elements provide full coverage and allow for quick trackside part swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Width:\u003c\/strong\u003e Spans 1200mm to 1400mm (47\" - 55\") to perfectly match your rear track width and prevent wheel overhang.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCIK\/FIA Homologated:\u003c\/strong\u003e Fully certified for adult sprint compliance, ensuring legality in sanctioned competitive classes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerodynamic Contours:\u003c\/strong\u003e Engineered to reduce drag and maintain rear downforce for optimal straight-line speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact Dispersion:\u003c\/strong\u003e Flexes under load to absorb rear taps, protecting your chassis, exhaust, and engine components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Hardware Included:\u003c\/strong\u003e Comes with the necessary bolts to assemble the three pieces (chassis mounting hardware sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Black Finish:\u003c\/strong\u003e Tough, track-proven material that resists cracking and hides scuffs from wheel-to-wheel combat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the KG RS3 Rear Bumper adjustable to fit different kart chassis widths?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the three-piece modular design is fully adjustable, allowing you to set the width anywhere from 1200mm to 1400mm to perfectly match your kart's rear track width.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include the mounting hardware to attach it to my chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the assembly hardware required to connect the three bumper components together. Please note that the specific chassis mounting brackets required to attach the bumper to your kart frame are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bumper legal for CIK-FIA sanctioned racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the KG RS3 Rear Bumper is CIK homologated, making it fully compliant for use in sanctioned adult sprint karting classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the three-piece design benefit my racing performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The modular design allows the bumper to flex during impact, which helps disperse energy and protect your engine and exhaust. Additionally, the aerodynamic contours help reduce drag and maintain rear downforce for better corner exits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I replace just one section if the bumper gets damaged?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. Because the system is modular, you can replace individual upper, lower, or side elements if they become damaged, saving you from having to replace the entire assembly.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kg-cik-snap-clamp-set-rlv2999\"\u003eKG CIK Snap Clamp Set for Secure Sprint Kart Bodywork Mounting - Front Bumper Clamps QUALITY\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kg-drop-down-bumper-mount-kit-rlv3014\"\u003eKG Drop Down Bumper Mount Kit for Adjustable Kart Protection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwl3016-kg-flat-top-steering-wheel-bwl3016\"\u003eKG Flat-Top Steering Wheel - 330mm Black Leather - Sprint Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kg-507-series-lh-nerf-bar-bwl1091\"\u003eKG 507 Series Left Hand Nerf Bar - High-Impact Steel - CIK Homologated\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kg-507-series-rh-nerf-bar-bwl1092\"\u003eKG 507 Series Right Hand Nerf Bar - Durable Right-Side Defense\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KG","offers":[{"title":"Default Title","offer_id":52562263572798,"sku":"BWK5201","price":236.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/sprintcikrearbumpers-bwk5201-kg-black-rs3-rear-bumper-kit-bwk5201_a3b1e1b5-8bba-4040-baf4-67947642282f.jpg?v=1763116251"},{"product_id":"bwk5301-kg-black-tris-rear-bumper-kit-bwk5301","title":"KG Black TRIS Rear Bumper Kit - CIK Homologated Cadet\/Junior Three-Piece","description":"\u003cul\u003e\n\u003cli\u003eTargeted three-piece assembly for Cadet and Junior rear protection\u003c\/li\u003e\n\u003cli\u003eBlack durable coating suited for youthful, high-energy racing\u003c\/li\u003e\n\u003cli\u003eCIK homologated to meet junior class regulations\u003c\/li\u003e\n\u003cli\u003eComes with assembly hardware for straightforward setup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eJunior karting thrives on protection without penalty, and the KG Black TRIS Rear Bumper Kit delivers a three-piece solution for Cadet\/Junior rears. Homologated for CIK, it includes build hardware but omits chassis specifics for custom fits.\u003c\/p\u003e\u003cp\u003eRear contacts in youth races can intimidate, yet this kit's design softens blows, stabilizing the tail for continued fun. Pieces interconnect to form a cohesive barrier, channeling air rearward to support speed without turbulence.\u003c\/p\u003e\u003cp\u003eSprint CIK juniors benefit from its compliant build, ensuring eligibility while aiding lap times via smooth rear profiling. Black finish hides wear from active sessions, maintaining a sharp look. Hardware inclusion organizes young mechanics' workflows efficiently.\u003c\/p\u003e\u003cp\u003eScaled for smaller frames like Ignite variants, it avoids overload, preserving nimble handling key to learning. Parents and coaches praise its impact diffusion, fostering safe skill development. Modularity allows growth with the driver.\u003c\/p\u003e\u003cp\u003eInstallation narrative: align, fasten, secure – ready for gates. It shields vulnerable rear elements, prolonging kart life amid enthusiastic use. Tactically, it builds confidence for overtakes.\u003c\/p\u003e\u003cp\u003eIn junior circuits, where growth meets grit, this bumper nurtures both. SKU: BWK5301 – TRIS triumph for tomorrow's stars.\u003c\/p\u003e\u003cp\u003eExplore its youth-focused engineering: balanced protection that encourages bold, bump-free progression to pro levels, organizing rears for radiant results.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this rear bumper kit compatible with all cadet chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The KG Black TRIS Rear Bumper Kit is designed as a universal three-piece assembly for Cadet and Junior classes. While it is CIK homologated, it does not include chassis-specific mounting brackets, allowing for custom fitting to various cadet frames.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the kit include the necessary hardware for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit comes with the essential assembly hardware required to connect the three pieces and secure the bumper to your kart, making the setup process straightforward for young mechanics and parents.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is a three-piece design beneficial for junior racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The modular three-piece design is engineered to diffuse impact energy during rear contacts, which helps protect the kart's rear components. Additionally, it allows for easier replacement of individual sections if damaged and provides a sleek, aerodynamic profile that minimizes turbulence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain the finish of the bumper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The bumper features a durable black coating specifically chosen to hide wear and tear from active racing sessions. To maintain its appearance, simply clean it with mild soap and water after track use to remove rubber marks and debris.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk3731-mk20-cadet-nose-black-only-bwk3731\"\u003eKG MK20 Cadet Nose Cone - Black Aerodynamic Front Spoiler - CIK\/FIA Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk2741-kg-mk27-cadet-nassau-panel-with-scoop-black-bwk2741\"\u003eKG MK27 Cadet Black Nassau Panel with Integrated Scoop\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk1731-mk20-side-pod-black-only-bwk1731\"\u003eMK20 Black Side Pod for Versatile Cadet Kart Fitting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwl1735-kg-front-bumper-top-bar-cadet-only-bwl1735\"\u003eKG Front Bumper Top Bar Exclusively for Cadet Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk2731-mk20-cadet-nassau-panel-black-only-bwk2731\"\u003eMK20 Cadet Black Nassau Panel for Enhanced Kart Protection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KG","offers":[{"title":"Default Title","offer_id":52562263605566,"sku":"BWK5301","price":220.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/sprintcikrearbumpers-bwk5301-kg-black-tris-rear-bumper-kit-bwk5301_8352c3d0-21bf-46a9-845b-ae5bbf6d28f1.jpg?v=1763116252"},{"product_id":"bwk5905-rear-bumper-mount-kit-bwk5905","title":"RLV Rear Bumper Mount Kit - CIK-Style for Secure Kart Installation","description":"\u003cp\u003eMounting is the foundation of rear bumper efficacy, and the RLV Rear Bumper Mount Kit – a CIK-style equivalent from KG origins – secures it expertly. Note: it pairs with the BWK59** bolt kit, not included, for complete attachment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCIK-patterned brackets for standard rear compatibility\u003c\/li\u003e\n\u003cli\u003eRLV branding for trusted aftermarket quality\u003c\/li\u003e\n\u003cli\u003eDesigned to hold bumpers rigid under race stresses\u003c\/li\u003e\n\u003cli\u003eVersatile for various chassis rear integrations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLoose mounts invite wobble, inviting drag and danger, but this kit clamps firm, aligning bumpers precisely. In sprint CIK, it upholds rear integrity, preventing shifts that erode traction off corners.\u003c\/p\u003e\u003cp\u003eOrganizationally, its components sort easily, speeding installs in hectic pits. For Ignite chassis, it reinforces without clutter, maintaining rear balance. Bolts separate allow spec-matching, a pro touch.\u003c\/p\u003e\u003cp\u003eDurability tests affirm its grip, enduring vibrations and minor hits. Racers use it to customize bumper heights, fine-tuning aero. It's the unsung base for resilient tails.\u003c\/p\u003e\u003cp\u003eSetup story: position mounts, add bolts, torque – stability achieved. It protects mounts from wear, extending system life. Strategically, firm rears enable tail-out slides controlled.\u003c\/p\u003e\u003cp\u003eSKU: BWK5905 – mounting mastery mirroring CIK excellence, organizing rears for relentless pursuits.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the hardware included with this mount kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this kit includes the CIK-style brackets for mounting, but it does not include the bolts. It is designed to be paired with the BWK59** bolt kit for a complete installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this kit fit my kart chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit features a standard CIK-patterned bracket design, making it highly versatile for most sprint kart chassis. It is specifically noted for its compatibility with Ignite chassis for rear bumper reinforcement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to use a rigid mount kit for my rear bumper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Loose or wobbling rear bumpers create unnecessary drag and can negatively impact your kart's handling. A rigid, properly aligned mount ensures the bumper stays secure under race stresses, helping to maintain rear balance and traction off corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit to adjust my bumper height?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, these mounts are designed to allow for customization of bumper height, which is a common technique used by racers to fine-tune the aerodynamics of the kart.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk5928-rear-bumper-hardware-kit-28mm-bwk5928\"\u003eRLV BWK5928 Rear Bumper Hardware Kit - 28mm Frame Inserts - CIK Sprint\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rlv-manual-tire-breaker-mtb\"\u003eRLV Reliable Manual Tire Bead Breaker for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-219-chain-breaker-rlv0760\"\u003ePremium RLV #219 Chain Breaker for Heavy-Duty Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premium-35-chain-breaker-rlv0765\"\u003eRLV Premium #35 Chain Breaker for Reliable Chain Sizing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562263638334,"sku":"BWK5905","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/sprintcikrearbumpers-bwk5905-rear-bumper-mount-kit-bwk5905_c8d09f69-4de5-4c3e-82ab-259879074ae0.jpg?v=1763116253"},{"product_id":"bwk5928-rear-bumper-hardware-kit-28mm-bwk5928","title":"RLV BWK5928 Rear Bumper Hardware Kit - 28mm Frame Inserts - CIK Sprint","description":"\u003cp\u003eWhen you are dialing in your chassis for maximum grip, the last thing you want is a loose rear bumper compromising your setup; that's why securing your aero with premium kart parts like the RLV 28mm Rear Bumper Hardware Kit is non-negotiable for serious racers.\u003c\/p\u003e\u003cp\u003eA vibrating or shifting rear bumper doesn't just create annoying rattles—it disrupts the aerodynamic flow and chassis flex characteristics you rely on to transfer briggs and stratton lo206 horsepower to the pavement. This complete two-sided hardware set (SKU: BWK5928) is engineered specifically for 28mm frame rails. By utilizing precision-machined frame inserts, it provides a snug, vibration-free fit that locks your CIK rear bumper to the mounting system (such as the BWK5905). Whether you are running a high-torque 2-cycle or a momentum-based 4-cycle class, maintaining structural integrity at the rear of the kart ensures your power slides and corner exits remain predictable.\u003c\/p\u003e\u003ch2\u003eIntegrating with Go Kart Steering and Chassis Dynamics\u003c\/h2\u003e\u003cp\u003eYour rear bumper is an active component of your kart's overall flex profile. If your bumper hardware is loose, the rear of the chassis can bind or flex unpredictably, forcing you to overcompensate with your go kart steering inputs. The RLV 28mm kit eliminates this play. The high-tensile bolts, nuts, and washers are selected for their resistance to stripping and backing out under intense dynamic loads, keeping your rear track width and alignment perfectly sustained from the green flag to the checkered.\u003c\/p\u003e\u003ch2\u003eBeyond Belts Parts and Go Kart Carburetor Tuning\u003c\/h2\u003e\u003cp\u003eRacers often spend hours obsessing over their belts parts, clutch engagement, or dialing in the perfect go kart carburetor jetting, but neglect their chassis hardware. Pit efficiency matters. This pre-packaged kit delivers duplicates of all essential fasteners, meaning no more hunting for mismatched bolts in your toolbox between heats. You get a complete set to equip a single kart, allowing you to insert, thread, and tighten with absolute confidence.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm Frame-Specific Inserts:\u003c\/strong\u003e Engineered for an exact tolerance fit inside 28mm chassis tubes, eliminating bumper sag and vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Two-Sided Set:\u003c\/strong\u003e Includes two sets of high-tensile bolts, nuts, and washers to fully secure both sides of your CIK rear bumper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for BWK5905 Mounts:\u003c\/strong\u003e Tailored to seamlessly integrate with RLV BWK5905 or equivalent rear spoiler mounting systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-Resistant Fasteners:\u003c\/strong\u003e Precision threading prevents backing out under the extreme harmonic loads of sprint racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Chassis Response:\u003c\/strong\u003e Locks the rear bumper securely, maintaining consistent chassis flex and aerodynamic alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePit-Ready Efficiency:\u003c\/strong\u003e Pre-packaged pairs ensure you have exactly what you need to replace bent or stripped hardware instantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Manufactured from high-grade metals chosen specifically to resist stripping and track debris impact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with all kart chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit is specifically engineered for 28mm frame rails. Please verify your chassis tubing diameter before purchasing to ensure a proper, vibration-free fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include everything needed to mount my rear bumper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this is a complete two-sided hardware set. It includes the necessary high-tensile bolts, nuts, washers, and precision-machined 28mm frame inserts to secure both sides of your CIK rear bumper.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this with any rear bumper mount?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit is optimized for use with the RLV BWK5905 rear bumper mount system or equivalent CIK-style mounting setups. It is designed to integrate seamlessly with these components for maximum structural integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to have vibration-resistant hardware for my bumper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A loose or vibrating rear bumper can disrupt the aerodynamic flow and negatively affect the chassis flex characteristics of your kart. Using high-tensile, vibration-resistant hardware ensures your bumper stays locked in place, providing consistent handling and predictable corner exits.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk5905-rear-bumper-mount-kit-bwk5905\"\u003eRLV Rear Bumper Mount Kit - CIK-Style for Secure Kart Installation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RLV","offers":[{"title":"Default Title","offer_id":52562263703870,"sku":"BWK5928","price":70.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/sprintcikrearbumpers-bwk5928-rear-bumper-hardware-kit-28mm-bwk5928_8fc29d5b-569a-4192-a97f-28c58c9a975c.jpg?v=1763116253"},{"product_id":"bwk5930-rear-bumper-hardware-kit-30mm-bwk5930","title":"Durable 30mm Rear Bumper Hardware Kit for Secure Kart Mounting","description":"\u003cp\u003eImagine hitting the track with absolute confidence in your kart's rear setup—no wobbles, no surprises, just pure speed. The BWK5930 Rear Bumper Hardware Kit, tailored for 30mm frames, delivers exactly that by providing a robust mounting solution for sprint CIK rear bumpers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BWK5905 Rear Bumper Mount Kit or equivalent systems, ensuring seamless integration into your existing bodywork.\u003c\/li\u003e\n\u003cli\u003eIncludes precision-engineered inserts specifically for 30mm frame rails, guaranteeing a snug, vibration-resistant fit.\u003c\/li\u003e\n\u003cli\u003eSupplies two of every essential piece—bolts, nuts, and clamps—sufficient for outfitting a single kart completely.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis kit isn't just hardware; it's your safeguard against track-side disasters. In the heat of a race, a loose bumper can mean penalties or worse, but with BWK5930, you maintain structural integrity under high-speed stress. Racers know that every gram counts, and this lightweight yet tough aluminum construction adds no unnecessary weight, helping you shave seconds off your lap times by keeping aerodynamics smooth and drag minimal.\u003c\/p\u003e\u003cp\u003eWhether you're a seasoned pro fine-tuning for nationals or a weekend warrior building your first competitive rig, installing this kit streamlines your prep. Bolt it on quickly during pit stops, and focus on what matters: crossing the finish line first. For bodywork enthusiasts, it's a must-have accessory that elevates your kart's reliability, reducing downtime and mechanical worries. Pair it with other CIK-compliant parts for a setup that's race-ready from the green flag.\u003c\/p\u003e\u003cp\u003eDurability meets precision in every component, forged to withstand the rigors of asphalt and dirt tracks alike. Don't let subpar hardware slow you down—equip your 30mm frame kart with the BWK5930 and experience the difference in handling and peace of mind. (SKU: BWK5930)\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hardware kit compatible with all kart frames?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The BWK5930 is specifically engineered for 30mm frame rails. Please verify your chassis tubing diameter before installation to ensure a proper, vibration-resistant fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include everything needed for one kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this kit provides two of every essential piece—including bolts, nuts, and clamps—which is sufficient to outfit a single sprint CIK rear bumper setup completely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this with my existing bumper mount system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for seamless integration with the BWK5905 Rear Bumper Mount Kit or equivalent CIK-compliant mounting systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to use specific hardware for rear bumpers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e In competitive karting, loose bodywork can lead to technical penalties or mechanical failure. Using precision-engineered hardware ensures your bumper remains secure under high-speed stress and track vibrations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the aluminum construction durable enough for dirt tracks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. The components are forged to withstand the rigors of both asphalt and dirt tracks, providing a lightweight yet high-strength solution that won't add unnecessary weight to your kart.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rear-bumper-keeper-kit-30mm-bkk-30mm\"\u003eHeavy-Duty 30mm Rear Bumper Keeper Kit for CIK Sprint Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rear-bumper-keeper-kit-28mm-bkk-28mm\"\u003eReliable 28mm Rear Bumper Keeper Kit with Aluminum Clamps\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bully","offers":[{"title":"Default Title","offer_id":52562263736638,"sku":"BWK5930","price":70.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/sprintcikrearbumpers-bwk5930-rear-bumper-hardware-kit-30mm-bwk5930_dfdda619-ddb4-4657-b055-b12036554522.jpg?v=1763116254"},{"product_id":"rear-bumper-keeper-kit-28mm-bkk-28mm","title":"Reliable 28mm Rear Bumper Keeper Kit with Aluminum Clamps","description":"\u003cstrong\u003ePicture this: you're neck-and-neck with the leader, but a loose bolt sends your rear bumper flying—game over with a black flag.\u003c\/strong\u003e Enter the BKK-28MM Rear Bumper Keeper Kit for 28mm frame rails, your ultimate insurance against such chaos in CIK sprint racing.\u003cp\u003eSold as a pair, this innovative kit includes high-strength aluminum clamps that grip securely around your frame. If disaster strikes and a bolt fails, these keepers maintain the upright's position, keeping the bumper attached just enough to avoid penalties and keep you in the race. It's a simple yet brilliant addition to adult-style metal uprights on plastic CIK rear bumpers, where reliability can mean the difference between victory and disqualification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined for 28mm rails, ensuring a tight fit without slippage under g-forces.\u003c\/li\u003e\n\u003cli\u003eLightweight design preserves your kart's agility, helping you navigate corners faster without added drag.\u003c\/li\u003e\n\u003cli\u003eEasy installation during routine maintenance, so you're track-ready in minutes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor kart enthusiasts chasing podium finishes, this keeper kit transforms potential vulnerabilities into strengths. No more mid-race inspections or frantic repairs; instead, focus on perfecting your line and accelerating out of turns. Compatible across various sprint setups, it's versatile for teams upgrading bodywork accessories. In competitive environments, where every second counts, securing your rear end with BKK-28MM means more laps, more points, and ultimately, more wins. Don't risk it—keeper your bumper and keep racing. (SKU: BKK-28MM)\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need a rear bumper keeper kit for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e In CIK sprint racing, a loose or detached rear bumper can lead to a black flag and disqualification. This kit acts as an insurance policy, keeping the bumper upright and attached to the frame even if the primary mounting bolts fail during a race.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with all kart frames?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific kit is precision-machined for 28mm frame rails. Please verify your kart's frame rail diameter before purchasing to ensure a secure, slip-free fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How difficult is the installation process?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation is straightforward and can be completed during routine maintenance. The aluminum clamps are designed to grip the frame securely, allowing you to get back on the track in minutes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit add significant weight to my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the kit features a lightweight aluminum design that preserves your kart's agility and handling, ensuring you don't sacrifice performance for safety.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rear-bumper-keeper-kit-30mm-bkk-30mm\"\u003eHeavy-Duty 30mm Rear Bumper Keeper Kit for CIK Sprint Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk5930-rear-bumper-hardware-kit-30mm-bwk5930\"\u003eDurable 30mm Rear Bumper Hardware Kit for Secure Kart Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bully","offers":[{"title":"Default Title","offer_id":52562265571646,"sku":"BKK-28MM","price":62.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/sprintcikrearbumpers-rear-bumper-keeper-kit-28mm-bkk-28mm_85166989-f204-4b5d-8ed2-9655ab760416.jpg?v=1763116571"},{"product_id":"rear-bumper-keeper-kit-30mm-bkk-30mm","title":"Heavy-Duty 30mm Rear Bumper Keeper Kit for CIK Sprint Karts","description":"\u003cp\u003eEver wondered how top racers stay unflappable when hardware stress tests hit? The secret often lies in smart backups like the BKK-30MM Rear Bumper Keeper Kit, optimized for 30mm frame rails in demanding CIK environments.\u003c\/p\u003e\u003cp\u003eThis kit, sold as a pair, deploys robust aluminum clamps to anchor your rear bumper uprights. Should a bolt shear or loosen amid aggressive driving, these keepers step in, holding everything steady to dodge that dreaded black flag. Tailored for most adult-style metal uprights paired with plastic CIK rear bumpers, it's a game-changer for maintaining momentum in sprint races.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngineered for 30mm precision, delivering unyielding grip that withstands vibration and impacts.\u003c\/li\u003e\n\u003cli\u003eMinimal weight addition keeps your kart balanced, aiding quicker acceleration and sharper handling.\u003c\/li\u003e\n\u003cli\u003eQuick-setup design integrates effortlessly into your pit routine, minimizing prep time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy fortifying your bodywork, this keeper kit indirectly amps up your speed—fewer interruptions mean more practice laps and refined techniques. Kart teams swear by it for its role in consistent performance, turning what could be a race-ender into a minor hiccup. Versatile across sprint configurations, it's ideal for racers prioritizing safety without sacrificing agility. Invest in BKK-30MM to keep your focus on the checkered flag, not on bumper woes. (SKU: BKK-30MM)\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with all kart bumpers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The BKK-30MM is specifically engineered for 30mm frame rails and is tailored for most adult-style metal uprights paired with plastic CIK rear bumpers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need a bumper keeper kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These keepers act as a vital backup for your rear bumper uprights. If a bolt shears or vibrates loose during a race, the aluminum clamps hold the bumper steady, helping you avoid a black flag for loose bodywork.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How difficult is the installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The kit features a quick-setup design that integrates easily into your standard pit routine, allowing for a secure fit without requiring extensive prep time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit add significant weight to my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the kit is designed with a minimal weight profile to ensure your kart remains balanced, maintaining your acceleration and handling characteristics.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bwk5930-rear-bumper-hardware-kit-30mm-bwk5930\"\u003eDurable 30mm Rear Bumper Hardware Kit for Secure Kart Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rear-bumper-keeper-kit-28mm-bkk-28mm\"\u003eReliable 28mm Rear Bumper Keeper Kit with Aluminum Clamps\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bully","offers":[{"title":"Default Title","offer_id":52562265604414,"sku":"BKK-30MM","price":62.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/sprintcikrearbumpers-rear-bumper-keeper-kit-30mm-bkk-30mm_af7c2a2a-d416-417d-a217-41efe50900f2.jpg?v=1763116572"},{"product_id":"mg0962021-ignite-rear-bumper-mounting-kit-mg0962021","title":"Margay Racing Ignite Rear Bumper Mounting Kit - Steel Construction - LO206 Class Legal","description":"\u003cp\u003eSecuring your rear aero and safety hardware with premium components from a trusted go kart shop is critical for maintaining consistent lap times and chassis durability. The Margay Racing Ignite Rear Bumper Mounting Kit is engineered to anchor your rear protection solidly against high-speed stresses and rear-end collisions. Designed specifically for the Margay Ignite chassis, this mounting system preserves structural integrity, keeping your kart streamlined and responsive even after aggressive contact. When you are maximizing your briggs and stratton lo206 horsepower out of the corners, the last thing you need is a loose rear bumper creating aerodynamic drag or throwing off your weight distribution.\u003c\/p\u003e\u003ch2\u003eEngineered for the Demands of a Four Cycle Engine\u003c\/h2\u003e\u003cp\u003eVibration is the enemy of reliability, especially when running a high-torque four cycle engine. This rear bumper mounting kit utilizes vibration-proof fasteners and heavy-duty steel brackets to ensure your bodywork stays put. By maintaining a rigid rear profile, you preserve essential downforce for better traction and quicker laps. Whether you are navigating tight hairpins or drafting down the main straight, this kit eliminates the distraction of loose parts, allowing you to focus entirely on your racecraft.\u003c\/p\u003e\u003ch2\u003eUncompromising Durability and Safety\u003c\/h2\u003e\u003cp\u003eSafety meets performance in this plug-and-play assembly. Just as you invest in top helmets and premium safety gear, your chassis requires robust protection to safeguard your investment. The Margay Ignite Rear Bumper Mounting Kit positions the bumper precisely to optimize rear aero while effortlessly supporting compliance with strict series safety regulations.\u003c\/p\u003e\u003ch2\u003eQuick Swaps and Setup Adjustments\u003c\/h2\u003e\u003cp\u003eIn close-quarters racing, pit lane efficiency is paramount. Teams appreciate the simplicity of this kit, which enables fast bumper swaps and setup adjustments between sessions. Whether you are testing different tire brands to find the perfect grip or making rapid repairs after a heat race incident, this mounting hardware ensures you spend less time wrenching and more time on the track.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Hardware Package:\u003c\/strong\u003e Includes all necessary bolts, steel brackets, and spacers for a seamless, plug-and-play installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-Resistant Fasteners:\u003c\/strong\u003e Engineered to withstand the intense harmonics of racing engines without backing out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Finish:\u003c\/strong\u003e Treated materials provide all-weather durability and long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Aerodynamics:\u003c\/strong\u003e Positions the rear bumper precisely to minimize drag and maintain straight-line speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Preservation:\u003c\/strong\u003e Absorbs impact energy to protect the main frame rails during close-quarters racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Compliant:\u003c\/strong\u003e Meets the stringent safety regulations required for organized competitive karting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Assembly:\u003c\/strong\u003e Designed for quick alignment and securing, enabling fast pit stops and trackside adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this mounting kit compatible with non-Margay chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is specifically engineered for the Margay Ignite chassis geometry. Using it on other chassis may result in improper alignment and safety compliance issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include everything needed for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the package is a complete hardware solution including all necessary steel brackets, vibration-resistant bolts, and spacers for a plug-and-play installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bumper mounting kit legal for LO206 class racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. This kit is designed to meet the strict safety and technical regulations required for competitive LO206 class karting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I check the fasteners on this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the kit uses vibration-resistant fasteners, we recommend a quick inspection of all bodywork hardware before every session to ensure optimal safety and to account for the high-torque harmonics of the Briggs \u0026amp; Stratton engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this kit help with my kart's aerodynamics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, by ensuring the rear bumper is mounted rigidly and at the correct angle, this kit minimizes aerodynamic drag and helps maintain consistent downforce, which is critical for straight-line speed.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-free-spin-axle-bearing-fsb40\"\u003eHigh-Performance 40mm Free Spin Axle Bearing for Margay Ignite K3\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ignite-caster-pill-centered-mg094590\"\u003eMargay Ignite Centered Caster Pill - 3\/8\" Center Hole - LO206 Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ignite-caster-pill-full-red-mg094591\"\u003eMargay Ignite Full Red Caster Pill - 7\/8\" Yoke \/ 3\/8\" Bolt - Adjustable Steering\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mgtp-margay-throttle-pull-mgtp\"\u003eMargay MGTP Throttle Pull Adaptor - 1\/4\" Standard Rod Fitment - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Margay Racing","offers":[{"title":"Default Title","offer_id":52566126461246,"sku":"MG0962021","price":118.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bodywork-mg0962021-ignite-rear-bumper-mounting-kit-mg0962021.jpg?v=1763116458"},{"product_id":"rear-bumper-bolt-assembly-sold-each-dp-391","title":"DP Racing Universal Rear Bumper Bolt Assembly Kit - DP-391 - Oval \u0026 Dirt Track","description":"\u003cp\u003eWhen sourcing components from a premium kart store, securing your rear bumper with the DP-391 bolt assembly is critical for maintaining structural integrity during high-impact oval and dirt track racing. This complete hardware kit delivers race-proven shock absorption, preventing the loosening that compromises rear-end protection. Engineered to reduce frame stress, the included grommets and plastic inserts cushion the chassis against aggressive rear contacts. Whether you are dialing in your setup with new go kart axle kits or fine-tuning your chassis balance, a rigid and reliable bumper mount ensures your focus remains on performance rather than trackside repairs.\u003c\/p\u003e\u003ch2\u003ePrecision Mounting for High-Vibration Racing\u003c\/h2\u003e\u003cp\u003eEvery component in the DP-391 assembly—from the high-tensile bolt to the vibration-damping grommets—is selected to withstand the extreme harmonics of competitive karting. Just as you would meticulously bleed a kart brake kit or calibrate carb parts for optimal engine output, securing your rear loop bumper demands exact tolerances. This kit provides a comprehensive solution, sold individually per side, allowing racers to replace damaged hardware quickly and keep their karts race-ready.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Your Go Kart Steering Wheel Upgrade\u003c\/h2\u003e\u003cp\u003eChassis feedback is everything. A loose rear bumper translates to unpredictable vibrations that can mask the precise tactile feedback you expect after installing a go kart steering wheel upgrade. By locking down the rear loop bumper, this bolt assembly ensures that the energy transferred through the frame is pure, giving you the confidence to push the limits on dirt or asphalt ovals. It is an indispensable addition to your pit box, streamlining installation and maximizing your time on the track.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Hardware Package:\u003c\/strong\u003e Includes bolt, nuts, washer, grommets, and plastic insert for a full mounting solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Damping:\u003c\/strong\u003e Integrated grommets absorb road shocks and reduce stress on the kart frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e Designed for standard rear loop bumpers common in oval and dirt track racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold Individually:\u003c\/strong\u003e Order exactly what you need—one kit secures one side of the bumper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Strength:\u003c\/strong\u003e Built to endure the aggressive impacts and vibrations of competitive racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Installation:\u003c\/strong\u003e Streamlines pit work so you can focus on tuning and track performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Protection:\u003c\/strong\u003e Prevents metal-on-metal wear between the bumper and the main frame rails.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include everything needed to mount one side of my rear bumper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the DP-391 is a complete assembly. Each kit includes the high-tensile bolt, nuts, washers, vibration-damping grommets, and the plastic insert required to secure one side of your rear loop bumper.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many kits do I need to purchase for a full rear bumper installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Since these are sold individually, you will need to purchase two kits to secure both the left and right sides of your rear bumper.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why are the grommets and plastic inserts important for my kart's chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These components provide essential vibration damping and prevent metal-on-metal contact. By cushioning the bumper against the frame, they reduce stress on your chassis rails and prevent premature wear caused by the high-frequency vibrations common in dirt and oval track racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hardware compatible with all go kart rear bumpers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit features universal fitment designed for standard rear loop bumpers commonly used in oval and dirt track racing. It is engineered to provide a secure, high-tolerance fit for most competitive racing chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I use thread locker on these bolts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the assembly is designed for a secure fit, many racers choose to use a light-strength thread locker as a precaution against the extreme vibrations encountered during high-impact racing sessions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/dp-480-lower-steering-post-bolt-kit-dp-480\"\u003eDP-480 Lower Steering Post Bolt Kit for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DP Racing","offers":[{"title":"Default Title","offer_id":52566315663678,"sku":"DP-391","price":13.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bumpersnerfbars-rear-bumper-bolt-assembly-sold-each-dp-391.jpg?v=1763116514"},{"product_id":"composite-rear-bumper-bolt-assembly-jc-391","title":"Composite Rear Bumper Bolt Assembly Kit for Kart Bodywork - Sold Each","description":"\u003ch2\u003eComposite Rear Bumper Bolt Assembly: Reliable Kart Bodywork Hardware\u003c\/h2\u003e\n\u003cp\u003eUpgrade your go-kart's rear bumper mounting with this high-strength composite rear bumper bolt kit. Designed for durability in racing conditions, this assembly ensures a solid, vibration-resistant connection without the weight of metal alternatives.\u003c\/p\u003e\n\u003ch3\u003eKit Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBolt\u003c\/li\u003e\n\u003cli\u003eNut\u003c\/li\u003e\n\u003cli\u003ePlastic Insert\u003c\/li\u003e\n\u003cli\u003eComposite Expanders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEverything you need in one convenient package for quick installation and maintenance.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShoulder Major Diameter: approximately 1.250\"\u003c\/li\u003e\n\u003cli\u003eMinor Diameter: approximately 1.030\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese precise dimensions provide a snug fit for standard kart bumper applications. The composite expanders offer superior expansion and grip, reducing the risk of loosening during high-speed runs.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Usage Tips\u003c\/h3\u003e\n\u003cp\u003eSold individually, so order a quantity of two to fully equip one kart's rear bumper. Easy to install with basic tools—simply thread the bolt through the bumper and frame, add the plastic insert and expanders, then secure with the nut. Ideal for trackside repairs or pre-race setups, keeping your kart race-ready.\u003c\/p\u003e\n\u003cp\u003eThis lightweight composite design helps maintain optimal kart balance while delivering impact resistance essential for aggressive cornering and bumpers that take hits.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Composite?\u003c\/h3\u003e\n\u003cp\u003eComposite materials in this bolt assembly provide corrosion resistance and reduced weight compared to traditional options, making it a smart choice for competitive karting where every gram counts.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat is included in the Rear Bumper Bolt Assembly kit?\u003c\/h4\u003e\n\u003cp\u003eThe kit includes one bolt, one nut, one plastic insert, and composite expanders.\u003c\/p\u003e\n\u003ch4\u003eHow many do I need for one kart?\u003c\/h4\u003e\n\u003cp\u003eSold each—order a quantity of two for one kart's rear bumper.\u003c\/p\u003e\n\u003ch4\u003eWhat are the approximate dimensions?\u003c\/h4\u003e\n\u003cp\u003eShoulder major diameter is about 1.250 inches; minor diameter about 1.030 inches.\u003c\/p\u003e\n\u003ch4\u003eIs this suitable for racing karts?\u003c\/h4\u003e\n\u003cp\u003eYes, the composite construction is built for durable, secure bumper mounting in kart racing applications.\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":53244422324542,"sku":"JC-391","price":9.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Rear_Bumper_Bolt_Assembly_COMPOSITE_sold_each.jpg?v=1774900124"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/sprintcikrearbumpers-bwk5201-kg-black-rs3-rear-bumper-kit-bwk5201_a3b1e1b5-8bba-4040-baf4-67947642282f.jpg?v=1788963741","url":"https:\/\/swiftkarting.com\/collections\/sprint-cik-kart-rear-bumper-kits-and-hardware.oembed","provider":"Swift Karting","version":"1.0","type":"link"}