Renthal Ultralight Rear Sprockets Are Manufactured to Extremely Tight Tolerances From a Special Material Developed to Withstand the Rigors of Supercross, Motocross and Enduro. The 7075 T6 Aluminum Alloy Rear Sprockets 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 Hard Wearing Surface Result in Significantly Increased Sprocket Life.Renthal Ultralight Rear Sprockets Are 66% Lighter Than SteelPrecision CNC Manufactured to Extremely Tight Tolerances.High Strength Specially Enhanced 7075 T6 Aluminum Alloy.Computer Aided Ultralight Design Gives the Maximum Reduction of Unsprung Weight at the Rear Wheel, to Give Maximum Power Transfer.Self-Cleaning Mud Grooves Between Every Tooth on Both Sides Prevent Dirt Build Up.
Fits the Following Honda Models:CR125R 1983-2007CRF150F 2005-2009CRF230F 2005-2009CR250R 1986-2008CRF250R 2004-2009CRF250X 2004-2009XR250R 1996-2005XR400R 1996-2004CRF450R 2002-2009CRF450X 2005-2009CR500R 1986-2001XR650R 2000-2007