• Manufactured to Extremely Tight Tolerances From a Special Material Developed to Withstand the Stress of Supercross, Motocross and Enduro
  • 7075 T6 Aluminum Alloy Rear Chain Wheels Are 66% Lighter Than Steel, Yet In...

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  • Manufactured to Extremely Tight Tolerances From a Special Material Developed to Withstand the Stress of Supercross, Motocross and Enduro
  • 7075 T6 Aluminum Alloy Rear Chain Wheels Are 66% Lighter Than Steel, Yet Incredibly Durable
  • Advanced Tooth Profile, Concentricity and Accuracy of Fit Provide Maximum Power Transfer and Long-Life
  • Combination of a Very High Strength Base Material and an Exceptionally Hardwearing Surface Result in Significantly Increased Chain Wheel Life
  • Self Cleaning Mud Grooves Help Prevent Dirt Build-Up


  • Fits the Following Honda Models:
  • XR250R 1988-1995


  • Fits the Following Yamaha Models:
  • WR250F 2001-2009
  • WR400F 1999-2001
  • WR426F 2000-2002
  • WR450F 2003-2009
  • YZ125 1999-2010
  • YZ250 1999-2010
  • YZ250F 2001-2010
  • YZ400F 1999
  • YZ426F 2000-2002
  • YZ450F 2003-2009


  • Please Note: The Image Displayed Is Representative of Renthal Rear Sprockets, but May Vary in Shape Depending on Your Specific Model.


    • Renthal chainwheels are chosen by more factory motocross and supercross teams than any other brand available.
    • Renthal Ultralightâ„¢ rear chainwheels are manufactured to extremely tight tolerances from a special material developed to withstand the rigors of supercross, motocross and enduro racing.
    • The 7075 T6 aluminum alloy rear chainwheels are 66% lighter than steel, yet incredibly durable.
    • Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.
    • Renthal's combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life over other brands.Renthal Ultralightâ„¢ rear chainwheels are 66% lighter than steel.Precisio

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