APRILIA MJ rear sprocket for Aprilia RS4 125 11-23 MJ Corse MJ.291 €59.80 High quality duraluminium (ergal) rear sprocket for Aprilia RS4 125 11-23, with chain pitch 428 and with number of teeth from 56 to 64. Select the chain pitch and number of teeth you need by clicking below. Add to cart
Rear - Front sprockets Front sprocket Aprilia RS4 125 4T 2011-2023 Marca 1 MJF.143 €8.00 Front sprocket for Aprilia RS4 125 4T 2011-2023, available in pitch 428 and with number of teeth from 13 to 14. Choose the pitch and number of teeth you need below. Add to cart
