YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 48T BLUE year-2005 (Designed for the old style

(Designed for the old style Brembo brake and the old style Magura clutch)

2007-2014 Yamaha WR 250 F

AS3 Performance cooling kits are a great way to improve the cooling of your bike

2007-2010 Honda CBF 1000 SA

1998-1999 KTM 250 EGS

YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 48T BLUE year-2005 (Designed for the old styleAS3 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: 48 Chain 520 Will Fit