000g/m² waterproof/breathable material

To let you know the device is turned on or off

10% Road - 90% Off-Road Fine tuned side-walls with sharp biting edges

And externals add weight and can bend or break in a fall

Softer and harder rubbers (elastomers) are available

Supersprox - Sprocket 49 Rear Yamaha Black (RAL-245-49-BLK) K-Type-Half Helmets 000g/m² waterproof/breathable materialDrive 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