KTM Rear sprocket for KTM 105 SX 2007-2011 MJ Corse MJ.650 €37.68 High quality duraluminium (ergal) rear sprocket for KTM 105 SX 2007-2011 with chain pitch 428 and with number of teeth from 44 to 60. Select the chain pitch and number of teeth you need by clicking below. Add to cart