The ROTOR Round Chainring Inner/Outer BCD110x5 Nobody applies constant, even force throughout the pedal stroke, which is why ROTOR sought to improve upon traditional round rings by creating its flagship oval Q rings. Round rings however, have a place in history and ROTOR wanted to complement its product range by offering round rings in addition to Q rings. 0% ovality noQ chainrings for your compact cranks offer the performance benefits inherent in round rings. CHARACTERISTICS Sizes: Outer – 46t, 53 aero, Inner – 39, 38, 36, 34t BCD: 110×5 Weight: 132 g per set 46/34 QRING Type: Inner/Outer Compatibility: Designed to work with all 9, 10 and 11 speed groupsets Material: 100% CNC-machined, 7075-T6 aluminum alloy Pins: Steel shifting pins
