KAWASAKI KX 125 250 500 KX 250 450 F KDX KLX AS3 FACTORY REAR SPROCKET 520 51T BLACK year-2015 2025 Beta 430 RR X-Pro

2025 Beta 430 RR X-Pro

2015-2023 Beta 480 RR Racing

2003-2012 KTM 250 SX

1985-2020 Yamaha YZ 125

KAWASAKI KX 125 250 500 KX 250 450 F KDX KLX AS3 FACTORY REAR SPROCKET 520 51T BLACK year-2015 2025 Beta 430 RR X-ProAS3 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: 51 Chain: 520 Will Fit