Renthal 1500-520-49GPBU REN Rear Sprockets shop-mixing-cups The HF650M offers ultimate flexibility

The HF650M offers ultimate flexibility with four lightweight yet durable panels to accommodate loads of all sizes

2008-2009 Yamaha YZ450F

2001-2002 Polaris Sportsman 400

Suggest using Delrin Washer Kit

Renthal 1500-520-49GPBU REN Rear Sprockets shop-mixing-cups The HF650M offers ultimate flexibilityRenthal 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.