Renthal Front Sprocket Renthal's chainwheels are precision CNC-machined to extremely tight tolerances to give the ultimate combination of strength and light weight Features specially developed nickel-chrome-molybdenum steel, case-hardened core refined to give the ultimate combination of strength and hardness Most available in ultra-light design
08-12 Ninja 250
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Renthal Rear Sprocket Manufactured to extremely tight tolerances. 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 results in...