YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 52T BLACK year-1998 Smooth red anodised finish with

Smooth red anodised finish with AS3 Performance branding

2006-2008 BMW R 1200 S

2003-2019 TM EN 250 Fi

2025-2027 Beta 350 RR X-Pro

2009-2024 TM MX 144

YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 52T BLACK year-1998 Smooth red anodised finish withAS3 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: 52 Chain 520 Will Fit