Supersprox - Sprocket 15 Front Yamaha SI (CST-580-15-2) past type tag-Protective Gear - Shorts & Pants means the rider can better

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

the stock rubber bushings "give" and as a result bars often go out of alignment

Screws: You can reuse the factory screws

71lbs) pair

Supersprox - Sprocket 15 Front Yamaha SI (CST-580-15-2) past type tag-Protective Gear - Shorts & Pants means the rider can betterDrive 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