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ALUGEAR Aero GRX Chainrings for Shimano RX810/RX820

Niel Ubod July 11, 2024


Lightweight, aero chainring for your Shimano GRX cranks

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ALUGEAR Aero GRX Chainrings for Shimano RX810/RX820

The ALUGEAR Aero GRX Chainrings for Shimano RX810/RX820 are compatible with Shimano 8-series GRX cranksets. These chainrings match the 110/80 BCD 4-bolt pattern and eliminate any gaps between the crank arm and chainring. This provides aero advantages as well as a clean look.

These ALUGEAR GRX chainrings are CNC machined from 7075 T6 aluminum and anodized to provide protection from impacts. This makes them durable and reliable in even the toughest off-road conditions. ALUGEAR chainrings also use a unique tooth profile that eliminates chain noise, reduces wear and provides a more efficient drivetrain.


  • Crankset: Compatible with Shimano RX820 and RX810 cranksets. These will not work with Shimano RX610 or RX600 cranksets
  • Chain: These chainrings works with 12-speed Shimano HG+, 12-speed KMC and 11-speed Shimano chains


  • Color: Black
  • BCD: 110/80 BCD 4-bolt
  • Speeds: 11- and 12-speed
  • Material: Aluminum 7075-T6
  • Made: CNC milling
  • Surface coating: Anodized
  • Weight: 48/34T - 163 grams | 46/32T - 145 grams

In the Box

  • ALUGEAR Aero GRX Chainrings
  • ALUGEAR chainring bolts for GRX cranks

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