Pro Taper Race Spec MX Rear Sprockets Yamaha 125-500cc ('84-'98) Size:51T [Black] Fully grooved geometric tread pattern

Fully grooved geometric tread pattern delivers confidence inspiring traction off-road

Direct Mount to Brembo/Magura brake and clutch perches

CRF250R '18-'19

2021-2023 EC 250

medium - yellow (standard)

Pro Taper Race Spec MX Rear Sprockets Yamaha 125-500cc ('84-'98) Size:51T [Black] Fully grooved geometric tread patternRace Spec (RS) Rear Sprockets are CNC machined to precise tolerances from high quality, heat treated 7075 T6 aluminum alloy. Painstakingly engineered, they achieve optimum load distribution, unsprung weight savings, and tooth endurance. The result is a durable, featherweight and feature packed sprocket unequaled in the market. Heat treated, precision CNC machined 7075 T6 billet aluminum construction for the ultimate in lightweight strength Exclusive