Rear - Front sprockets Rear sprocket for Sachs ZZ 125 4T 2010 MJ Corse MJ.674 €34.15 High quality duraluminium (ergal) rear sprocket for Sachs ZZ 125 4T 2010 with chain pitch 428 and with number of teeth from 34 to 64. Select the chain pitch and number of teeth you need by clicking below. Add to cart