Shimano GRX RX820 Crankset 12V 165mm 42T Hollowtech

This Shimano GRX RX820 crankset is engineered for compatible 1x12-speed gravel drivetrains, perfect for tackling mixed terrain, adventure rides, and fast gravel routes. The 165 mm crank arms feature Shimano's Hollowtech II construction, while the 42T single chainring offers a versatile gear choice that strikes a great balance between climbing capability and speed. It's smaller than a 44T or 46T option, making it ideal for riders seeking slightly easier gearing while maintaining a direct 1x setup. Be sure to check the frame's bottom bracket shell, chainline, rear derailleur, cassette range, and required bottom bracket before placing your order, as the bottom bracket is not included.

- Shimano GRX RX820 1x gravel crankset
- Designed for compatible 12-speed drivetrains
- 42T single chainring
- 165 mm crank arm length
- Hollowtech II crank construction
- Suitable for gravel, mixed terrain, and adventure riding
- Versatile chainring size for varied routes
- Shorter crank length aids in pedal clearance
- Compatible with Shimano external Hollowtech II bottom bracket systems
- Recommended threaded bottom bracket: SM-BBR60
- Recommended press-fit bottom bracket: SM-BB72

Specifications
Brand: Shimano
Model: GRX FC-RX820-1
Type: Gravel crankset
Drivetrain Configuration: 1x12
Speed Compatibility: 12-speed
Rear Speeds: 12
Chainring Size: 42T
Crank Arm Length: 165 mm
Crank Construction: Hollowtech II
Compatible Bottom Bracket Type: External
Color: Black