14-18 BMW S1000R Renthal 520 Rear Sprocket
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...