Rear - Front sprockets MJ rear sprocket for SHERCO SC 250 R 2T MJ Corse MJ.752 €52.19 High quality duraluminium (ergal) rear sprocket for SHERCO SC 250 R 2T, with chain pitch 520 and with number of teeth from 38 to 56. Select the chain pitch and number of teeth you need by clicking below. Add to cart