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Rotor Q-Rings 110x5 BCD - Outer Aero

Rotor Q-Rings 110x5 BCD - Outer Aero

The Q-Rings 110x5 BCD (Outer Aero) feature CNC-machined aeronautic-grade 7075-T6 aluminum alloy and steel shifting pins. Designed to work with the body’s biomechanics, the Q-Ring is characterized by 10% ovality. This slight change in shape produces greater pedal stroke efficiency and reduced fatigue. The Outer Aero 110x5 BCD Q-Ring is compatible with 9, 10, and 11-speed groupsets.

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