Rear - Front sprockets MJ rear sprocket for Ducati 900 SS 1998-2002 MJ Corse MJ.328 €60.69 High quality duraluminium (ergal) rear sprocket for Ducati 900 SS 1998-2002 with chain pitch 520 and with number of teeth from 36 to 48. Select the chain pitch and number of teeth you need by clicking below. Add to cart