Product details:
These Shimano Rotor Q-Rings feature a subtle yet efficient 10% ovality which can be user adjusted to take advantage of your full pedal stroke potential. Aero in design Features: Q-Rings offer 10% ovality. Q-Rings ensure exceptional drivetrain stability. Q-Rings can increase an avid cyclist's performance by as much as 4 seconds per km in a sprint – that's twice the benefit of an aero wheelset. Outer Shimano ring only fitting 110 BCD cranks (4 spider). 3 Optimal Chainring Position (OCP) points (2-3-4). Aero design, reinforced rigidity and aerodynamic. Designed to work with all 9, 10 and 11 speed groupsets. Some cranks require specific Q-Rings.