Vulcanized rubber bushings available in several sizes to fit different kart chassis:
28mm Diameter: The 28mm option is Designed to fit the VLR Chassis (28mm tubing), but will fit most 28mm tube karts.
30mm Diameter: More commonly used on full-size kart chassis, particularly many medium or low - horsepower kart chassis.
32mm Diameter: Most commonly found in shifter karts or high-powered TaG chassis.
Each kit comes with 2 complete kits consisting of the following:
Lengthy, threaded M10 x 1.50mm lag bolts, which fit into the chassis frame tubes.
Vulcanized rubber bushings to expand upon inner walls of chassis tubing to tightly hold bumper in place.
Black Anodized and hardened aluminum bumper spacers - these fit within the end of the frame tube to serve a clamping area for the end of the rubber bushings as they are tightened, and a clamping area for the bumper support upright to fit over. A similar spacer is designed to fit into the opposing side of the bumper support upright on the nut-side.
Non-nylock nut (M10, takes 17mm wrench)
Nylock Nut (M10, uses 17mm wrench)
Complete bumper mount kit for the bolt components (does not include the uprights or metal supports!