ROTOR Q Rings BCD110x4 Aero. Q RINGS BCD110x4 oval chainrings compatible with all ROTOR cranks using BCD 110x4 spider or INspider power meter. In addition, these chainrings are also compatible with Shimano Dura-Ace FC-9100 and Ultegra FC-8000 cranks, offering fast and precise shifting, as well as...

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No matter how smooth your pedal stroke, your power delivery will be peaky. The transfer of power from your legs to the circular chainring means that some parts of the pedal stroke deliver more power than others. The reason you notice Rotor Outer Aero Q-Rings popping up on so many of the top pros'...

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It's time to develop a more efficient pedal stroke with the Rotor Road Inner Q-Ring. Not only does the Q-Ring's unique oval-shape smooth your pedal stroke to maximize your power potential, its redesigned pins and ramps now provide faster shifting. Optimum Chainring Positioning offers a range of...

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Oval chainrings have a dedicated following, but--kinda like licorice-flavored anything--they aren't for everyone. Rotor made its name with ovalized rings, but the Round Road Inner Chainring is, well, round, so traditional riders can enjoy Rotor's durability without having to leave circularity...

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