DRIVEN RACING Rear Sprocket - 42-Tooth 5017-520-42T Pro Chain Guide Exclusive replaceable cushions protect your

Exclusive replaceable cushions protect your transmission from damage even in the most extreme conditions

Ergonomic design with anti-friction bronze bushing eases clutch pull and reduces arm pump

long-lasting

Small gap between standard cover and protection

This product retains the OEM catalytic converter system

DRIVEN RACING Rear Sprocket - 42-Tooth 5017-520-42T Pro Chain Guide Exclusive replaceable cushions protect yourOne of the lightest 520 steel sprockets available today Designed using our proprietary EST Technology Performance and longevity all in one sprocket Attractive black zinc semi gloss finish Lowered surface to remove unnecessary weight