Supersprox - Sprocket 42 Rear BMW Gold (RST-6-42-GLD) past type tag-Tires - Dirt Bike HDPE (high density polyethylene) is

HDPE (high density polyethylene) is the ideal material for these bolt-ons

because it's impossible to achieve the correct bolt torque

we have never heard of anyone puncturing our covers

Manufacturer Part#:CST-1321-14-1

Supersprox - Sprocket 42 Rear BMW Gold (RST-6-42-GLD) past type tag-Tires - Dirt Bike HDPE (high density polyethylene) isDrive 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