Rear - Front sprockets MJ rear sprocket for Suzuki GSX-R 125 17-19 MJ Corse MJ.264 €44.41 High quality duraluminium (ergal) rear sprocket for Suzuki GSX-R 125 17-19, with chain pitch 428 and number of teeth from 43 to 53. Select the chain pitch and number of teeth you need by clicking below. Add to cart