KTM 125 150 250 300 350 450 500 SX SXF EXC XC XC-W XC-F XCF-W AS3 FACTORY REAR SPROCKET 520 51T ORANGE year-1999 2001-2007 Aprilia ETV 1000

2001-2007 Aprilia ETV 1000

Honda CB 600 Hornet (PC25 Engine Only)

2016-2021 KTM 350 XCF-W

2006-2009 Sherco ST 290 Trials

1999-2006 Honda CBR 600 F4i

KTM 125 150 250 300 350 450 500 SX SXF EXC XC XC-W XC-F XCF-W AS3 FACTORY REAR SPROCKET 520 51T ORANGE year-1999 2001-2007 Aprilia ETV 1000AS3 Performance Factory Series rear sprockets combine the strength of steel and the light weight of aluminium to give you the ultimate hard wearing rear sprocket. The outer ring is manufactured from hardened steel with a nickel coating and will outlast an aluminium sprocket by up to 3 times. The inner ring is constructed from aircraft grade 7075 T6 aluminium and is up to 50% lighter than a standard steel sprocket. Details Teeth: 51 Chain: 520 Will Fit