Weight: 132g per set 50/34 Characteristics: - 100% CNC-machined, 7075-T6 aluminum alloy - Steel shifting pins - Designed to work with all 9, 10 and 11 speed groupsets

Weight: 171g per set 52/36 Sizes: Outer - 58A, 56A, 55A, 54A 53A, 52A, 50A Inner - 44, 42, 41, 39, 38, 36, 34t Characteristics: - 100% CNC-machined, 7075-T6 aluminum alloy...

Oval chainrings compatible with the new ALDHU 3D+ cranks, ROTOR's lightest crankset ever, but also compatible with 4-bolt Shimano cranks. When mounted to ROTOR's ALDHU 3D+ cranks, these Q rings can...

Rotor poured all of our experience in oval Q rings development into producing an innovative Round Chainrings solution. Machine CNC¡¦d from ultralight aeronautic-grade 7055 aluminum, our new look 4-arm chainrings are...

QXL?s help you further improve your maximum sustainable output by offering a greater ovality, which increases drivetrain resistance during the most-productive part of your pedal rotation. If you ride for long...

Weight: 148g per set 50/34 Sizes: Outer - 53, 52, 50, 46, 44t Inner - 42, 39, 38, 36, 34t ? Characteristics: - 100% CNC-machined, 7075-T6 aluminum alloy - Steel shifting...

Weight: 173g per set 50A/34 Sizes: Outer - 56A, 55A, 54A, 53A, 52A, 50A, 48A Inner - 42, 39, 38, 36, 34t Characteristics: - 100% CNC-machined, 7075-T6 aluminum alloy - Aero...