YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 50T BLUE year-1996 1993-2008 Kawasaki KX 125

1993-2008 Kawasaki KX 125

1990-2003 Kawasaki ZXR 400 L

2006-2011 KTM 300 XC-W

2004-2012 MV Agusta F4 750

2008-2009 Yamaha FZ1 1000 Fazer ABS

YAMAHA YZ 125 250 YZ WR 250 426 450 F 1999-2026 AS3 FACTORY REAR SPROCKET 520 50T BLUE year-1996 1993-2008 Kawasaki KX 125AS3 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