ROTOR Q Rings 110 BCD Inner chainring 38T

If looking as fast as you feel influences the way you ride, then our wind-shucking aero Q-Rings with a 110BCD allow you to orient your chainrings around your riding style...literally. Q-Rings were designed to boost your cycling performance by varying drivetrain resistance inline with your legs´ natural strengths and weaknesses when pedaling. 5 Optimum Chainring Positions (OCP) allow you to fine-tune your improved riding experience by orienting your chainrings around the most productive part of your pedal stroke. Subtle but efficient 10% ovality and compatible with your compact 110BCD cranks, aero Q-Rings work with your body´s biomechanics to yield maximum efficiency and enable you to go further and faster with less fatigue. Features: - 100% CNC-machined, 7075-T6 aluminum alloy - Aero design: reinforced rigidity and aerodynamics - Steel shifting pins - 5 OCP points (4 points in 50/34) - Designed to work with all 9, 10 and 11 speed groupsets - Some cranks require specific Q-Rings Speciifcations: - Weight: 173g per set 50A/34 - Sizes: 42, 39, 38, 36, 34t - Number 34, 36, 38, 39, 42, 44, 46, 50, 52, 54, 55, 56 - BCD: 110 mm - Technologies: Aero, Alu7075, CNC, OCP, TryQ - Qring Type: Inner - Discipline: Road, Triathlon