YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 7075 ALUMINIUM REAR SPROCKET 520 48T BLACK year-2021 2009-2018 Yamaha WR 125 X

2009-2018 Yamaha WR 125 X

2008-2016 KTM 250 EXC-F

1997-2018 Yamaha YZ 85

AS3 Performance Factory Series branding

2006-2009 Sherco ST 125 Trials

YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 7075 ALUMINIUM REAR SPROCKET 520 48T BLACK year-2021 2009-2018 Yamaha WR 125 XAS3 Performance 7075 aluminium rear sprockets are designed and manufactured for AS3 by one of the world's leading sprocket manufacturers and have been tried and tested by some of the best riders on some of the toughest tracks in the world. They are a lightweight, durable rear sprocket and are CNC machined from high quality 7075 T6 aluminium. The sprockets feature self cleaning grooves between each tooth and have a smooth anodised finish with AS3