Rotor QXL Chainrings

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DESCRIPTION

Rotor QXL chainring, 9000/6800 4-arm 110 46t(A) black: Specific to Shimano 9000/6800 4x110mm BCD cranks (outer rings include spider finishing caps for a clean look) QXL's 16% ovalization is for riders seeking greater biomechanical advantage (ideal for riders who already have experience on Q-rings with 10% ovalization) Best suited for time-trials, sprints and riders who frequently pedal out of the saddle Optimum Chainring Position power tuning feature: 3 OCP settings (2,3,4) Made in Spain from CNC machined 7075-T6 aluminum with steel pins Aerodynamic shape also adds stiffness

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