KYMCO MJ rear sprocket for Kymco Maxxer 250 2008-2017 MJ Corse MJ.255 €43.69 High quality duraluminium (ergal) rear sprocket for Kymco Maxxer 250 2008-2017 with chain pitch 520 and with number of teeth from 36 to 46. Select the chain pitch and number of teeth you need by clicking below. Add to cart