Shimano GRX FC-RX610-1 1x12-speed gravel crankset

The Shimano GRX FC-RX610-1 crankset has been designed to offer a simple, efficient drivetrain perfectly suited to the demands of gravel and cyclo-cross. Thanks to its 12-speed single-chainring configuration, it guarantees intuitive gear management and smooth shifting on all terrains. Available in 38- or 40-tooth versions, it ensures an optimal balance between climbing performance and speed on fast sections.

Its robust construction and carefully engineered design provide excellent stiffness whilst keeping weight under control, making it ideal for long rides on mixed terrain. Compatible with Shimano Hollowtech II external bottom brackets, it integrates perfectly with a GRX 12-speed drivetrain for proven reliability.

Designed for adventurous cyclists, this crankset guarantees a smooth cadence, quiet drivetrain operation and maximum versatility, whether you’re riding on tracks, trails or tarmac. A safe bet for those seeking performance and reliability.

Technical specifications:

- Use: Gravel / Cyclo-cross
- Position: Front - Single-chainring drivetrain
- Compatibility: Shimano GRX 12-speed groupsets, Hollowtech II external bottom brackets (BB-RS500-PB / BB-RS501)
- Crank length: 165 mm, 170 mm, 172.5 mm, 175 mm
- Chainring teeth: 38 or 40 teeth
- Part number: EFCRX6101
- Brand: Shimano