Mounting Instructions

but with a more aggressive tread for extreme conditions

NOTE: 90/90-21 and 90/100-21 use different tread patterns

Manufacturer Part#:CST-432-13-1

Supersprox - Sprocket 14 Front Yamaha SI (CST-1592-14-1) past type tag-Tires - Scooter Mounting InstructionsDrive 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