ROTOR Road Chainring Q-Rings 5-Arm 11 speed 130 mm 39T

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Please check compatibility chart at manufacturer's website before ordering

Subtle but efficient 10% ovality and compatible with your standard 130BCD cranks, Q-Rings unprecedented orientation factor yield an improved pedal stroke marked by performance. Choose from 5 Optimum Chainring Positions (OCP) to fine-tune your improved riding experience and go further and faster with less fatigue.

Many professional riders have successfully used oval chainrings for years and know about Q-Rings’ advantages. Here you will find information about ergonomics, the science behind oval chainrings, and you will learn about some of the pros’ experiences from a road, triathlon or MTB perspective.

- Q-Rings improve your performance, minimize fatigue and reduce stress on the knees
- Q-Rings virtually decrease the gear ratio in the dead spot and increase the gear ratio in the power phase where the rider exerts the most force
- Q-Rings are available for nearly all standard cranks on the market
- Q-Rings are quick and easy to mount with up to 5 different Optimum Chainring Positions (OCP)
- Q-Rings have already played a part in many Tour de France, Giro d’Italia, Vuelta a España, Ironman, Challenge and UCI MTB World Cup victories
- Q-Rings are CNC-machined and produced exclusively in Spain


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