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A black ROTOR 110×4 Round Aero Chainring on a white background.

ROTOR Chainrings

ROTOR 110×4 Round Aero Chainrings for Shimano

Josh Matthew August 19, 2025

Price range: $50.00 through $200.00

110×4 round aero rings for most 110×4 power meters and cranksets including Shimano 11- and 12-speed cranksets

PLEASE SEE IMPORTANT NOTES BELOW
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ROTOR 110×4 Round Aero Chainrings for Shimano

The all-new ROTOR 110×4 Round Aero Chainrings for Shimano give you the benefits of stiff chainrings in a neat, clean-shifting, aerodynamic package. Finished with a gloss black powder coat, the rings are machine CNC’d from aeronautic-grade 7055 aluminum.

The ROTOR Round Aero Chainrings for Shimano are compatible with 110×4 road cranksets, and have been updated to be compatible with Shimano 12-speed 8100 and 9200. View the Compatibility Tab for additional information. They also fit ROTOR modular cranks and power meters when used with the ROTOR 110×4 Spider. For peak aerodynamics and aesthetics, we recommend using these rings with the ROTOR Aero Crown.

 

Important Notes:

1. ROTOR Road Chainring Bolts are required for use with Shimano cranksets.
2. The ROTOR 110×4 Spider is required for use with the ROTOR 2INpower and INpower DM power meter or the ALDHU and VEGAST crankset. It is not required for use with Shimano and other 110×4 cranksets.

Compatibility

  • Crankset: Without ALDHU Spider: Compatible with most 110x4 power meters and cranksets including both 11- and 12-speed Shimano road cranksets
  • Crankset: With ALDHU Spider: Compatible with ROTOR’s 2INpower and INpower DM power meters as well as ALDHU and VEGAST cranksets
  • Chain: Compatible with 9-, 10-, 11-speed groupsets. Also works with 12-speed Shimano and 13-speed ROTOR groupsets. Not compatible with SRAM AXS 12-speed groups
  • Does not fit 4iiii, Stages and Shimano dual-sided power meter cranksets

Specs

  • Color: Black
  • BCD: 110x4 asymmetric
  • Speeds: 9-, 10-, 11-, 12- and 13-speed
  • Material: 100% CNC-machined, 7075 aluminum alloy
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