97-98 Yamaha YZ 125/ WR 250 Rear Sprocket Grooved - Silver 520-48 Teeth

• Color: Silver
• Model: Ultralight
• UPC: 765442015134

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Rear Ultralight Sprockets:. Manufactured to extremely tight tolerances from a special material developed to withstand the stress of Supercross, Motocross and Enduro. 7075-T6 aluminum alloy rear chainwheels 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 hard-wearing surface result in significantly increased chainwheel life. Self cleaning mud grooves help prevent dirt build-up.