Supersprox - Drive Sprocket (RST-990-52-BLK) Options:52T - Black 1390 all year models including

1390 all year models including RC8

Replacement free piston kit for KYB AOS (Twin chamber) front forks

Passes 24 hour chemical resistance test

Weatherproof supply socket for fitment to motorcycles

Supersprox - Drive Sprocket (RST-990-52-BLK) Options:52T - Black 1390 all year models includingFront 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 compromising