Supersprox - Sprocket 17 Front Yamaha SI (CST-1579-17-2) Bike-KTM 990 SMT 0 knee guards have an

0 knee guards have an unmatched combination of lightweight comfort and protection

Steel shank reinforced and CE certified

Improved Impermeability

Softer and harder rubbers (elastomers) are available

Supersprox - Sprocket 17 Front Yamaha SI (CST-1579-17-2) Bike-KTM 990 SMT 0 knee guards have anDrive 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