Rear - Front sprockets MJ rear sprocket for Modenas Kriss 125 13-15 MJ Corse MJ.719 €32.57 High quality duraluminium (ergal) rear sprocket for Modenas Kriss 125 13-15 with chain pitch 428 and with number of teeth from 28 to 54. Select the chain pitch and number of teeth you need by clicking below. Add to cart