Supersprox - Sprocket 12 Front Yamaha SI (CST-1590-12-1) K-Type-Boots Replacement Parts fit and finish

fit and finish

Junior and Mini Riders Fit: S/M-XXL (105-165cm)

provide remarkable grip on both wet and dry roads

as well as a newly integrated silicone coated thigh strap for that solid fit with ergonomic left/right shape

Supersprox - Sprocket 12 Front Yamaha SI (CST-1590-12-1) K-Type-Boots Replacement Parts fit and finishDrive Sprocket Front Drive Sprocket Supersprox front sprockets are the best on the market today, with a balance between performance and longevity. Features SCM435 Ni Chrome Molybdenum low corrosion steel. Case hardened surface for maximum water resistance. Low carbon core to prevent breakage. Has the ultimate combination of strength and hardness. Rear Drive Sprocket (many style available) Stealth Sprocket (aluminum & steel) Longer system life without