MONTESA MJ rear sprocket for Montesa Cota 123 MJ Corse MJ.424 €50.33 High quality duraluminium (ergal) rear sprocket for Montesa Cota 123, with chain pitch 428 and with number of teeth from 40 to 64. Select the chain pitch and number of teeth you need by clicking below. Add to cart
Rear - Front sprockets Front sprocket Montesa Cota 123 MJ Corse MJF.255 €37.08 Front sprocket for Montesa Cota 123, available in pitch 428 and with number of teeth from 11 to 15. Choose the pitch and number of teeth you need below. Add to cart
