GILERA MJ rear sprocket for Gilera 390 RS 15-16 MJ Corse MJ.335 €40.85 High quality duraluminium (ergal) rear sprocket for Gilera 390 RS 15-16 with chain pitches 415R and 420 and with number of teeth from 34 to 50. Select the chain pitch and number of teeth you need by clicking below. Add to cart
