Shimano GRX FC-RX820 12-Speed Double Chainset
The GRX FC-RX820 12-Speed Double Chainset balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12-speed crank utilizes a 48-31T chainring and comes in 170, 172.5, and 175mm crank arm lengths.
Features
- Smaller gear steps for cadence control on mixed terrain riding
- Gravel-optimized gear ratios preserve riding rhythm on rough surfaces
- Wider gear range
- 17T range covers array of riding conditions
- Gear combination: 48-31T
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