BETA 250 350 400 450 498 520 RR 2005-2012 AS3 FACTORY BLACK REAR SPROCKET 520 50T BLACK year-1985 2020-2023 KTM 250 EXC-F Six

2020-2023 KTM 250 EXC-F Six Days

2019-2021 Yamaha WR 450 F

1989-1999 Honda XR 600

2023 Sherco SE 250 Zach Pichon Replica

1999-2006 Yamaha PW 80

BETA 250 350 400 450 498 520 RR 2005-2012 AS3 FACTORY BLACK REAR SPROCKET 520 50T BLACK year-1985 2020-2023 KTM 250 EXC-F SixAS3 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