Supersprox - Sprocket 40 Rear Yamaha Black (RST-857-40-BLK) past type tag-Helmets - Modular and easier than ever before

and easier than ever before

you also needed to buy a new top triple clamp/top yoke

CE tested and certified as impact protection:Hip EN1621-1 Level 1

Tested on engines with catalytic converters

The theory is that all dirt gets trapped by the oil filters

Supersprox - Sprocket 40 Rear Yamaha Black (RST-857-40-BLK) past type tag-Helmets - Modular and easier than ever beforeDrive 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