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ROTOR 110×4 Aero Chainring

Josh Matthew October 18, 2021


110×4 aero rings for Shimano cranksets and ROTOR cranks and power meters

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ROTOR 110×4 Aero Chainring

The ROTOR 110×4 Aero Chainring gives you the benefits of stiff chainrings in a neat, clean-shifting, aerodynamic package. For peak aerodynamics and aesthetics, we recommend using these rings with the ROTOR aero crown.

The chainrings are compatible with Shimano road cranksets as well as with ROTOR modular cranks and power meters. This includes the 2INpower, INpower, INspider, ALHDU, and VEGAST cranksets. It is compatible with 9-, 10-, 11-, 12-, and 13-speed groupsets.

The direct mount spider, required for use with ROTOR cranks, features a spline interface that mounts directly to the axle. The spider also includes refined OCP Mount technology so you can adjust your chainring position in one-degree increments.



The chainring is available in the following chainring sizes:

  • Size: 53/39 | 52/36 | 50/34 | 50T | 52T | 53T
  • Shape: Round | Q-Ring

The ROTOR ALDHU Direct Mount Spider is required for use with the 2INpower, INpower, ALDHU or VEGAST cranksets (not required for use with the ROTOR INspider or with Shimano cranksets).


Technical Specifications

  • Color: Black anodized
  • BCD: 110×4
  • 100% CNC-machined, 7075 aluminum alloy
  • OCP Mount technology: Fine adjustment for OCP positions




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