OSET MJ rear sprocket for OSET 12.5 Eco/Racing MJ Corse MJ.883 €50.89 High quality duraluminium (ergal) rear sprocket for OSET 12.5 Eco/Racing with chain pitch 219 and with number of teeth from 56 to 106. Select the chain pitch and number of teeth you need by clicking below. Add to cart
