Rear Aluminum Sprocket
The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets
100% machined, no stamping or grinding
Optimal tooth thickness results in maximum tooth and chain contact
This item fits to following bikes.
Honda XR 250 R 1984-1989
Honda XR 350 R 1983-1985
Honda XR 500 1979-1980
Honda XR 500 R 1981-1984
Yamaha TT-R 230 2005-2017
Yamaha WR 250 F 2007-2018
Yamaha WR 400 F 1999-2001
Yamaha WR 426 F 2001-2002
Yamaha WR 450 F 2003-2018
Yamaha YZ 125 1999-2026
Yamaha YZ 125 X 2020-2021
Yamaha YZ 250 1999-2019
Yamaha YZ 250 F 2001-2019
Yamaha YZ 250 FX 2015-2021
Yamaha YZ 250 X 2016-2019
Yamaha YZ 400 F 1998-1999
Yamaha YZ 426 F 2000-2002
Yamaha YZ 450 F 2003-2018
Yamaha YZ 450 FX 2016-2019