Rear Sprockets and Adapters

Rear sprocket - 90t, #25, steel, holes, black, bolt on type, fits narrow chain. For 16.0 24v and 16.0 36v OSET Bikes (up to 2012).

DRV032258 Rear sprocket - 102t, #219, alloy, holes, black (req. carrier).  For 24.0 Racing Junior and 24.0 Racing 2017 OSET bikes.

See also DRV032646

Rear sprocket - 82t, #219, alloy, black (non carrier upgrade, optional). For 20.0 Lite, 20.0 48v (2012/13), 20.0 Eco and 20.0 Racing OSET Bike.

DRV033425 82T"Tooth"Carrier Style Rear Sprocket for Pre 2015 20.0, and 20.0R NOTE *** MUST have an aluminum carrier**** Note **not all 20's have a 2 piece sprocket** If you are not sure call!