Renthal 2020 Bst Carbon/ Marchesine/ Oz Racing-76 x 100 PCD Rear Sprocket - HA 520-40P Teeth

Renthal Sprockets for Marchesini, OZ and BST Carbon aftermarket rear wheels are ultralight, hard-anodized and 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. The combination of a very high-strength base material and an exceptionally hard-wearing surface results in significantly increased chainwheel life.