Rotor Q-Ring 110 x 4 Asymmetric BCD Oval Chainring: 39t inner for use with 53t o

Discontinued Online
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
Q-Rings 110BCD for compact cranks based on the concept that you can pedal more efficiently if you could only take greater advantage of your maximum power effort while lessening the time spent in the dead spots of a pedal rotation. Q-Rings´ subtle but efficient 10% ovality combined with 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.
  • 100% CNC-machined, 7075-T6 aluminum alloy
  • 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
Ring Position/TypeInner
Drivetrain Speeds10
Drivetrain Speeds11
Tooth Count39
Defined Color ListBlack
Drivetrain Speeds9
Chainring BCD110

This product was added to our catalog on April 25, 2018