Renthal 99-24 Yamaha YZ125-450/ WR250-450 Rear Grooved Sprocket - Silver 520-45P Teeth

Renthal UltraLight Rear Chainwheels are CNC machined from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. A combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal's light weight all aluminum rear sprockets can be found on the rear wheels of many factory race team machines.

Fits:
Yamaha_WR250F Base 2001 to 2021
Yamaha_WR400F Base 1999 to 2000
Yamaha_WR426F Base 2001 to 2002
Yamaha_WR450F Base 2003 to 2021
Yamaha_YZ125 Base 1999 to 2021
Yamaha_YZ125X Base 2020 to 2021
Yamaha_YZ250 Base 1999 to 2021
Yamaha_YZ250F Base 2001 to 2021
Yamaha_YZ250FX Base 2015 to 2021
Yamaha_YZ250X Base 2016 to 2021
Yamaha_YZ400F Base_1999_
Yamaha_YZ426F Base 2000 to 2002
Yamaha_YZ450F Base 2003 to 2021
Yamaha_YZ450FX Base 2016 to 2021