Pro Taper Race Spec MX Rear Sprockets Yamaha 125-500cc ('84-'98) Size:51T [Black] YAMAHA YZ450F (07-09)

YAMAHA YZ450F (07-09)

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

Honda CRF150/230F (2003-Present)

medium - yellow (standard)

5 SX250F/450F FACTORY EDITION - 2016-2020 SX-F/XC-F 250/350F/450F

Pro Taper Race Spec MX Rear Sprockets Yamaha 125-500cc ('84-'98) Size:51T [Black] YAMAHA YZ450F (07-09)Race 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