Shimano GRX FC-RX810-1 40T
The Shimano GRX FC-RX810-1 is an 11-speed 1x gravel crankset with hollow forged aluminum arms and a 40T narrow-wide chainring that keeps the chain seated over rough terrain, with a gravel-specific chainline for wide-tire frames. It suits gravel and adventure bikes running single-ring drivetrains, offered in 170, 172.5, and 175mm arm lengths with a Hollowtech II bottom bracket sold separately.
- GRX 11 speed, hollow arm 1X crankset
- Narrow-wide 40T chainring
- Balances weight and efficiency for mixed-terrain riding
- Gravel specific gearing ratios with 1X simplicity and wide-range gearing
- Bottom Bracket : Not included - SM-BBR60 / SM-BB72
- Chainline: 50.1mm
Pairs well with
Shimano GRX FC-RX810-1 40T
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