Renthal 1540-520-48GPSI REN Rear Sprockets fuel-air-air-boxes-air-box-covers Renthal consistently achieves perfect concentricity

Renthal consistently achieves perfect concentricity

2013-2020 KTM 350 XC-F

Triple-lip seal design

Quick and easy adjustment

Renthal 1540-520-48GPSI REN Rear Sprockets fuel-air-air-boxes-air-box-covers Renthal consistently achieves perfect concentricityRenthal Twinring motocross rear sprocket was developed as the ultimate dirt bike rear sprocket for those looking to ride more and work less. The unique, dual material design combines a hardened steel outer chain ring that is heated to 200degreeC before being permanently fitted to our Ultralight aluminum inner, creating a permanent bond for the life of the sprocket.