Specifications Features Renthal Ultralight™ rear chainwheels are manufactured to exteremly tight tolerences from a special material developed to withstand the rigours of supercross, motocross and enduro racing. The 7075 T6 aluminium 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. Teeth/Chain Pitch 50T/520 Application KTM SXF 450 2003-2012 KTM XC-F 450 2003-2012 Condition New.
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