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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Our complete inventory is available at our warehouse store located just of I-205 one exit south of PDX airport.
5741 NE 87th Ave(I-205 exit 23B)Portland, OR 97220
Mon-Sat: 9am - 5pmSunday: Closed
Customer Service HoursMon-Sat: 8am - 5pm PT
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