Rotor Round(NOQ) 1X 52t Ring BCD110 x4 bolt

1x aero 110x4 spider mount Round ring provide minimal air resistance, reduces drag and allows you to pedal faster with less effort. They are compatible with all ROTOR modular road cranks and power meters including 2INpower, INpower, ALHDU and VEGAST. Also compatible with Shimano GRX cranksets.