HDPE (high density polyethylene) is an ideal material for these bolt on covers as it provides impact AND abrasion resistance

Consequently

It replaces the OEM plastic version made of billet aluminum

2km) in France with front dimension 100/90 B19 and rear dimension 130/80 B17 on a Triumph® Bonneville T100

Supersprox - Sprocket 16 Front Kawasaki SI (CST-578-16-2) K-Type-Protective Gear 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