Shimano GRX FC-RX610-1 12-Speed Crankset

The Shimano GRX FC-RX610-1 12-speed crankset is designed to offer the perfect balance of lightweight, transmission efficiency, and versatility, meeting the demands of riders tackling gravel, dirt, and mixed terrain.

Developed for the Shimano GRX 1x12 drivetrain, this crankset allows you to choose the configuration that best suits your riding style, thanks to its compatibility with 10-45 tooth and 10-51 tooth cassettes, combined with 38 or 40 tooth chainrings. This allows you to prioritize closer and more progressive gear ratios or a wider range of gears to tackle even the most challenging climbs.

The Shimano FC-RX610-1 is available with various crank arm lengths, offering a high level of customization to ensure comfort, pedaling efficiency, and optimal performance.

Main features

• Shimano GRX crankset for 1x12 speed drivetrains
• Designed for gravel, bikepacking, and mixed-terrain routes
• Excellent balance of lightweight, stiffness, and pedaling efficiency
• Compatible with 10-45 tooth and 10-51 tooth cassettes
• Choice of 38 tooth or 40 tooth chainring
• Optimized gear ratios to suit different disciplines and riding styles
• Available with various crank arm lengths for better ergonomics

Technical specifications

• Brand: Shimano
• Series: GRX
• Model: FC-RX610-1
• Type: Crankset
• Speeds: 12
• Configuration: Single chainring (1x)
• Available chainrings: 38 tooth, 40 tooth
• Compatible cassettes: 10-45 tooth, 10-51 tooth
• Available crank arm lengths: 165 mm, 170 mm, 172.5 mm, 175 mm
• Usage: Gravel, mixed terrain, and off-road routes