Rear - Front sprockets MJ rear sprocket for Kawasaki KDX 50 03-06 MJ Corse MJ.762 €25.99 High quality duraluminium (ergal) rear sprocket for Kawasaki KDX 50 03-06 with chain pitch 420 and number of teeth from 26 to 32. Select the chain pitch and number of teeth you need by clicking below. Add to cart