Supersprox - Sprocket 15 Front Yamaha SI (CST-580-15-2) past type tag-Protective Gear - Shorts & Pants The piston has been designed

The piston has been designed to reduce lever effort

Replace the old muffler bolts with the supplied bolts and torque to spec

Installation Video

The PHDS clamps comes with 8mm optional risers (and two set of bolts to match the height) that you may use

means the rider can better grip the bike with the inside of their knee that is closer to the bike than other designs allow

Supersprox - Sprocket 15 Front Yamaha SI (CST-580-15-2) past type tag-Protective Gear - Shorts & Pants The piston has been designedDrive 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