Round Chainrings Road ROTOR Spider Mount BCD110x4 Outer

We 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 compatible with our lightweight ALDHU 3D+ crankset as well as all Shimano®.

4 bolt cranks. Combined with our new ALDHU 3D+ spider and crankset, the clever spline interface between the axle delivers a robust yet smooth engagement allowing you to maximise the efficiency in transmission of power in your pedal rotation.

* Spider not included

Weight: 133 g for a 52/36 

Outer: 46 (36); 50 (34); 52 (36); 53 (39); 54 (42 & 44); 55 (42 & 44); 56 (44); 58 (44)

Inner: 34 (50); 36 (46 & 52); 39 (53); 42 (54 & 55); 44 (55, 56 & 58)