KTM 125 150 250 300 350 450 500 SX SXF EXC XC XC-W XC-F XCF-W AS3 FACTORY REAR SPROCKET 520 50T ORANGE position-front Internal diameter 48

Internal diameter 48

2009-2024 TM MX 300

2007-2010 KTM 250 SX

2003-2006 KTM 525 SX

2007-2008 Yamaha YZF 1000 R1

KTM 125 150 250 300 350 450 500 SX SXF EXC XC XC-W XC-F XCF-W AS3 FACTORY REAR SPROCKET 520 50T ORANGE position-front Internal diameter 48AS3 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: 50 Chain: 520 Will Fit