1999-2021 for Yamaha YZ 250 RENTHAL Sprocket Black 51 Tooth 150U-520-51GBBK Night-Tech - Through the use

Night-Tech - Through the use of a unique mix of gasses

high-torque engine applications

6-speed gear set (3

MPN: 093900N

1999-2021 for Yamaha YZ 250 RENTHAL Sprocket Black 51 Tooth 150U-520-51GBBK Night-Tech - Through the useManufacturer: Renthal MPN: 150U 520 51GBBK Title: Ultralight Rear Sprocket Size: 51T Color: Black Rear Ultralight Sprockets: Manufactured to extremely tight tolerances from a special material developed to withstand the stress of Supercross, Motocross and Enduro. 7075 T6 aluminum alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long