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Rotor CX Narrow/Wide Q-Ring 110BCD

Item #: CG218A14
USD$130.00
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Rotor CX Narrow/Wide Q-Ring 110BCD

Rotor CX Narrow/Wide Q-Ring 110 BCD

Whether it be a pro rider on TV or a fellow local cyclist, you may have seen these ovalized chainrings at one time or another. You then probably immediately asked yourself, “What do they do?” Let us explain.

Rotor Q-Rings vary drivetrain resistance during a pedal rotation to align with your leg’s natural strength spots and weak spots to boost your overall efficiency. In doing so, Q rings wisely utilize the strongest muscle groups to increase positive work, while picking up the slack in the weaker zones to reduce the negative work, potentially increasing a competitive cyclist’s performance by as much as 4 seconds per km in an all-out sprint. That may sound miniscule, however that’s twice the benefit of an aero wheelset, and in a sport where a second can be the difference between the top step of the podium and no podium at all; these proportions are substantial.

Through Rotor’s Optimum Chainring Position (OCP) you have approximately 5 degrees of adjustment meaning you can micro adjust the position of your Q Rings to suit your style by simply making corrections toward both comfort and efficiency. Machined from 100% CNC T6 7075 Aluminum, the QCX1 model features the ever so popular alternating thick/thin, single-speed tooth profile that ingeniously retains the chain to prevent it from jumping off even when the cross course is at its meanest, and without the use of a clunky chain guide. You’ll also be glad to know that installation does not require disassembling the crank from the bike, making it easier to own multiple rings with different tooth counts for different rides.

Whether you’re a hard-nosed cyclocross racer or an adventurous gravel rider, mounting a Rotor QCX1 ring to your steed is a sure step toward increased endurance, explosive sprints and graceful climbing.

Features:

  • Tooth Options: 44, 42, 40, 38T
  • 100% CNC, T6, 7075 Aluminum
  • Compatible with 110 BCD cranks
  • 5 OCP regulation points
  • Design works for all 10 and 11 speed groups
  • Weight: 115g for 44T, 72g for 38T
5.0 / 5.0
1 Review
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It really works as claimed
This ring does two things well: Its oval shape with multiple settings allows the rider to orient it for maximum power--I have these on three bikes, and Q-rings are a true advantage. The thin-thick profiles of the teeth really do keep the chain on when using a one-chainring setup. Also, Jenson had it in stock and shipped it very quickly!

PROS: Lightweight, Durable, Attractive Design, Easy To Install

BEST USES: Racing, Road Biking
July 14, 2015
Location:
Chico, CA

Q & A

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Browse 1 question Browse 1 question and 3 answers
Is this compatible with a Shimano Ultegra 6800 crank?
Matt G on Jan 13, 2017
Rotor CX Narrow/Wide Q-Ring 110BCD
Rotor CX Narrow/Wide Q-Ring 110BCD
Shimano Ultegra FC-6800 11-SPD Crankset
Shimano Ultegra FC-6800 11-SPD Crankset
BEST ANSWER: I do not believe so. Even though the BCD is the same, the 4-arm configuration of the Shimano crank places the mounting spots into areas on the chairing where chainring bolts will not attach. Even if you could mount it, the orientation of the oval would be wrong.

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.