DERBI MJ rear sprocket for Derbi GP1 MJ Corse MJ.222 €42.39 High quality duraluminium (ergal) rear sprocket for Derbi GP1, with chain pitches 415 and 420 and with number of teeth from 38 to 65. Select the chain pitch and number of teeth you need by clicking below. Add to cart
Rear - Front sprockets Front sprocket Derbi GP1 MJ Corse MJF.114 €25.00 Front sprocket for Derbi GP1, available in pitch 420 and with number of teeth 15 to 19. Choose the pitch and number of teeth you need below. Add to cart
