OSSA MJ rear sprocket for Ossa Copa 250 MJ Corse MJ.198 €40.85 High quality duraluminium (ergal) rear sprocket for Ossa Copa 250, with chain pitch 520 and number of teeth from 34 to 50. Select the chain pitch and number of teeth you need by clicking below. Add to cart
OSSA MJ rear sprocket for Ossa Copa 250 F3 MJ Corse MJ.185 €44.04 High quality duraluminium (ergal) rear sprocket for Ossa Copa 250 F3, with chain pitch 520 and with number of teeth from 36 to 42. Select the chain pitch and number of teeth you need by clicking below. Add to cart