Shimano GRX FC-RX610-2 12-Speed 46-30T Crankset

The Shimano GRX FC-RX610-2 12-speed 46-30T crankset is designed to offer the ultimate balance of lightweight construction, pedaling efficiency, and versatility on mixed terrain. Developed for the Gravel world, this double chainring crankset ensures optimal cadence management and smooth power transmission even on uneven surfaces and challenging routes.

The Shimano GRX FC-RX610-2 model offers a 2x12 speed configuration with a 46-30 tooth chainring combination, designed to provide progressive and close ratios. This solution allows cyclists to maintain efficient pedaling during rhythm changes, in gravel competitions, and on mixed terrain rides.

Thanks to the optimized ratios for gravel use, the crankset ensures smooth rhythm changes and precise cadence control, contributing to more effective riding both on flat terrain and in technical and rough sections.

Main features

• Shimano GRX FC-RX610-2 crankset for 2x12 speed drivetrains
• Designed for Gravel bikes and mixed terrain routes
• Perfect balance of lightweight construction and drivetrain efficiency
• Optimized ratios for maintaining a consistent cadence
• Ideal for Gravel races and rides on varied surfaces
• 46-30T double chainring configuration
• Progressive ratios for smooth effort management
• Available with various crank arm lengths for greater customization

Technical specifications

• Brand: Shimano
• Series: GRX
• Model: FC-RX610-2
• Type: Double chainring crankset
• Speeds: 12
• Configuration: 2x12 speed
• Chainring teeth: 46-30 teeth
• Usage: Gravel, mixed terrain, Gravel competitions
• Available crank arm lengths: 165 mm, 170 mm, 172.5 mm, 175 mm