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Rotor QX2 MTB Chainring 120BCD

Item #: CG218A22
USD$165.00
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Rotor QX2 MTB Chainring 120BCD

Rotor QX2 Chainring 120 BCD for SRAM

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's ovalized 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, smoothening out the rotation to a perfect spin that can shave seconds from every kilometer you pedal. This advance may seem miniscule, but in a sport where a second can be the difference between the top step of the podium and no podium at all; this type of advantage can be 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 in Spain, this model of the mountain bike specific QX2 was designed to work with SRAM cranks with a 120 bolt center diameter (BCD.)

Whether you’re a dedicated cross country racer or a versatile enduro specialist, mounting Rotor QX2 rings to your steed is a sure step toward increased endurance, explosive sprints and graceful climbing.

Features:

  • Tooth Options: 38, 42, 40T
  • 100% CNC, T6, 7075 Aluminum
  • Steel shifting pins
  • SRAM 120 BCD
  • 3 OCP regulation points
  • 9, 10 and 11 speed compatible
  • Made in Spain
  • Weight: 110g for 40/27T & 95g for 38/26T

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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.