TM MX EN 125 144 250 300 450 530 1998-2024 AS3 FACTORY REAR SPROCKET 520 50T BLUE year-2017 Polished finish with black DLC

Polished finish with black DLC coating

2005-2020 Yamaha WR 250 F

2013-2017 KTM 85 SX (Y-Kit)

2012-2017 KTM 500 EXC

2016-2022 BMW R Nine T 1170

TM MX EN 125 144 250 300 450 530 1998-2024 AS3 FACTORY REAR SPROCKET 520 50T BLUE year-2017 Polished finish with black DLCAS3 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