DRIVEN RACING Rear Sprocket - 42-Tooth 5017-520-42T Pro Chain Guide Silicone-printed logos throughout to help

Silicone-printed logos throughout to help keep jersey in place

Replacement exhaust mounts

Braided cables feature outer housings coated with a non-yellowing clear covering for abrasion resistance

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

This product retains the OEM catalytic converter system

DRIVEN RACING Rear Sprocket - 42-Tooth 5017-520-42T Pro Chain Guide Silicone-printed logos throughout to helpOne 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