rotor-qxl-chainring-black-54ax110x4-aero
rotor-qxl-chainring-black-54ax110x4-aero, QXL Rings offer greater ovality for those seeking to optimize their pedaling effort and to minimize deadstroke. QXL Rings also offer 5 Optimum Chainring Positions (OCP) to fine-tune your riding experience.16% Ovality5 OCP settings100% CNC, T6, 7075 AluminumSteel shifting pinsDesign works for all 10 and 11 speed groups