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ROTOR 110×4 Oval Chainrings for Shimano

Josh Matthew January 20, 2023


ROTOR oval 110×4 rings for Shimano 12-speed cranksets!

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ROTOR 110×4 Oval Chainrings for Shimano

The all-new ROTOR 110×4 Oval Chainrings for Shimano are compatible with 110×4 road cranksets, including Shimano 12-speed 8100 and 9200. They also fit ROTOR modular cranks and power meters. This includes the 2INpower, INpower, INspider, ALHDU, and VEGAST cranksets.

Finished with a gloss black powder coat, the ROTOR oval chainrings for Shimano are machine CNC’d from aeronautic-grade 7055 aluminum which makes them lightweight, stiff and durable. The direct mount spider, required for use with the 2INpower, INpower and 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 oval chainring position in one-degree increments.


  • Crankset: With ALDHU Spider: Compatible with ROTOR’s 2INpower and INpower DM power meters as well as ALDHU and VEGAST cranksets
  • Crankset: Without ALDHU Spider: Compatible with most 110x4 cranks including both 11- and 12-speed Shimano road 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


  • Color: Black anodized
  • BCD: 110x4 asymmetric
  • 100% CNC-machined, 7075 aluminum alloy
  • OCP Mount technology: Fine adjustment for OCP positions (when used with ALDHU Spider)

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