Renthal 89-17 Suzuki RM 125/250 DR-Z 250/ RMX250 RM-Z 250/450 Rear Twinring - Black 520-49P Teeth - 1230-520-49GPBK

Renthal 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.