Renthal Sprocket Twinring Black 49T Bi-Metal Grooved Rim Diameter_9 Inch Designed specifically with local motocross

Designed specifically with local motocross champions in mind

Piston Size: 56

or if you take a tumble on the open road

Thermal insulation ensures maximum comfort and grip

Renthal Sprocket Twinring Black 49T Bi-Metal Grooved Rim Diameter_9 Inch Designed specifically with local motocrossThe Renthal Twinring Rear Sprocket is a long lasting durable Off Road sprocket that was developed and tested over the course of 5 years. The unique flat face two piece design keeps weight to a minimum and maximizes durability all while keeping a narrow profile. The outer steel ring is expanded at 200C and then fitted to the aluminum inner before cooling, this process creates a permanent bond while flat socket set screws prevent lateral movement