YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 50T BLACK colour-green Total weight 3

Total weight 3

2006-2015 Kawasaki KX 450 F

2012-2015 Sherco ST 290 Trials

2006-2025 KTM 250 EXC-F

2016-2018 Husqvarna FC 350

YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 50T BLACK colour-green Total weight 3AS3 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