Renthal 1120-520-50GPBK REN Rear Sprockets fuel-air-fuel-injection Crown-cut design offers increased cooling

Crown-cut design offers increased cooling capacity while lowering the mass

These formable but highly rigid shields feature 6-layer dimpled Aluminum Material

875" tubing (1

2015-2018 Polaris Sportsman 570 Touring

4 strokes Yamaha

Renthal 1120-520-50GPBK REN Rear Sprockets fuel-air-fuel-injection Crown-cut design offers increased coolingRenthal 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.