KTM MJ rear sprocket for KTM 400 SC Super Competition 1995-2000 MJ Corse MJ.651 €38.45 High quality duraluminium (ergal) rear sprocket for KTM 400 SC Super Competition 1995-2000, with chain pitch 520 and with number of teeth from 38 to 58. Select the chain pitch and number of teeth you need by clicking below. Add to cart