HUSABERG MJ rear sprocket for Husaberg FE 390 Enduro 2010-2012 MJ Corse MJ.651 €46.52 High quality duraluminium (ergal) rear sprocket for Husaberg FE 390 Enduro 2010-2012, with chain pitch 520 and with number of teeth from 38 to 58. Select the chain pitch and number of teeth you need by clicking below. Add to cart