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Home » ALUGEAR Chainrings » ALUGEAR 110x4 Aero Chainrings for Shimano 12-Speed R7100/R8100/R9200
A black inner chainring and silver outer ALUGEAR 110x4 Aero Chainrings For Shimano R8100/R9200 against a white background.

ALUGEAR Chainrings

ALUGEAR 110×4 Aero Chainrings for Shimano 12-Speed R7100/R8100/R9200

Niel Ubod August 14, 2025

Price range: $147.30 through $236.30

Lightweight, aero chainrings for Shimano R7100/R8100/R9200 cranksets
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ALUGEAR 110×4 Aero Chainrings for Shimano 12-Speed R7100/R8100/R9200

The ALUGEAR 110×4 Aero Chainrings for Shimano 12-Speed are made for DURA-ACE 9200, Ultegra R8100 and 105 R7100 cranksets. Featuring an aerodynamic design and crisp shifting, these chainrings will improve the looks and performance of your Shimano crankset.

In addition, ALUGEAR chainrings are some of the lightest on the market. They are CNC machined from 7075 T6 aluminum and are anodized to provide maximum protection. They also feature a unique tooth profile that eliminates chain noise, reduces chain wear and increases efficiency.

Please note: All of our Aero Covers are Black as that is what customers most often request.

Compatibility

  • Crankset: These chainrings are compatible with Shimano DURA-ACE 9200, Ultegra R8100 and 105 R7100 cranksets
  • Aero Cover: Please note the Aero Cover is not compatible with Shimano power meter cranksets.
  • Chain: These chainrings are compatible with 12-speed Shimano and KMC chains

Please note these chainrings do not fit the following:

  • Stages Dual-Sided Power Meter Cranksets
  • 4iiii Dual-Sided Power Meter Cranksets
  • powermax Power Meters (it does fit the power2max SL spider)
  • Quarq DFour DUB Power Meter
  • SRM PM9 Road Power Meter
  • Magene P505 Road Power Meter

Specs

  • Colors: Black | Silver | Gold | Orange | Red
  • BCD: 110x4
  • Speeds: 12-Speed
  • Material: Aluminum 7075-T6
  • Made: CNC milling
  • Surface coating: Anodizing
  • Weight: 50/34T - 138 grams | 52/36T - 156 grams | 54/40T - 183 grams
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