YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 7075 ALUMINIUM REAR SPROCKET 520 48T BLACK year-2021 2005-2009 KTM 450 SMR

2005-2009 KTM 450 SMR

2009-2018 Yamaha WR 125 X

AS3 Performance Factory Series branding

2003-2006 Yamaha YZ 450 F

YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 7075 ALUMINIUM REAR SPROCKET 520 48T BLACK year-2021 2005-2009 KTM 450 SMRAS3 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