Renthal 2240-520-49GPSI REN Rear Sprockets fuel-air-carburetors-accessories-gaskets-seals Lowering Height per Hole -

Lowering Height per Hole - 1=1 1/2in

Lightening holes on side plates

2014 Ski-Doo Summit X E-TEC 800R 163

A drain port on the bottom keeps rust and corrosion away

Internal laminated membrane repels water from the outside

Renthal 2240-520-49GPSI REN Rear Sprockets fuel-air-carburetors-accessories-gaskets-seals Lowering Height per Hole -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.