DUCATI MJ rear sprocket for Ducati Monster 821 2014-2020 MJ Corse MJ.259 €46.52 High quality duraluminium (ergal) rear sprocket for Ducati Monster 821 2014-2020, with chain pitch 520 and number of teeth from 38 to 52. Select the chain pitch and number of teeth you need by clicking below. Add to cart
