Components * | Bestsellers Rotor Aero Round Outer Chainring

Outer Ring Of Our 2 X Aero 110 4 Spider Mount Round Chainrings 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 Inspider, Alhdu And Vegast.