YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 48T BLACK year-2014 2003-2004 Triumph Speed Four

2003-2004 Triumph Speed Four

Protects your engine casings from chain problems or other debris

2014-2025 Husqvarna TC 250

Direct replacement for OEM chain guide

YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 48T BLACK year-2014 2003-2004 Triumph Speed FourAS3 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