Supersprox - Sprocket 13 Front Yamaha SI (CST-564-13-1) K-Type-Protective Gear Approximately 5mm taller bar position

Approximately 5mm taller bar position over stock

FFM-French Federation Certified

High quality L-keys for recessed TORX® screws

Bulletproof

Supersprox - Sprocket 13 Front Yamaha SI (CST-564-13-1) K-Type-Protective Gear Approximately 5mm taller bar positionDrive 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