Shimano GRX Crankset FC-RX810 1x11 Speed-42T (170mm)

SHIMANO GRX crank FC-RX810 | 1x 11-speed | 42 teeth

The Gravel bikes are becoming increasingly popular among cyclists. The advantages are apparent. They have a more comfortable geometry than racing bikes, are also excellent off the paved roads and are suitable for a longer journey. However, the conventional racing bike components reach their limits with these wheels. Therefore, Shimano has developed its own switching groups especially for this genus.

The Gravel crank for the 1-speed fans comes in elegant design and with the Shimano typical excellent workmanship on the market. The chain line of 51.1 mm makes room for wide tires in the frame and optimally positions the chainring to the 11-speed cassette. Nevertheless, the Q-factor with 151 mm has remained in the green range. By grading the pinion block from 11-40 or 11-42 teeth, you can make speed in the plane, but also climb steep climbs easily.

Key Features

• Drivetrain Compatibility: 1x11 speed system designed for gravel and cyclocross bikes

• Chainring Size: 42T single chainring for balanced speed and climbing capability

• Crank Length: 170 mm optimized for efficient pedaling and rider comfort

• Material Construction: Lightweight and durable aluminium crank arms and spider

• Gravel Optimized Chainline: 50.1 mm chainline improves chain stability and tire clearance

• Wide Tire Clearance: Designed to accommodate wider gravel tires within the frame

• Efficient Power Transfer: Stiff crank design improves pedaling efficiency

• Q-Factor: 151 mm for a comfortable and natural pedaling stance

• Durable Spindle: 24 mm steel crankshaft for strength and long-term reliability

• Premium Finish: Matte black finish for a sleek and modern appearance

Product Specifications

• Model: FC-RX810

• Series: Shimano GRX

• Speed Compatibility: 11-speed

• Drivetrain Type: 1x

• Chainring Teeth: 42T

• Crank Length: 170 mm

• Bolt Circle Diameter: 110 mm

• Spider Design: 4-arm

• Crank Arm Material: Aluminium

• Spider Material: Aluminium

• Crankshaft Material: Steel

• Crankshaft Diameter: 24 mm

• Chainline: 50.1 mm

• Q-Factor: 151 mm

• Compatible Chains: 11-speed chains

• Compatible Bottom Brackets: BSA, ITA, BB30, BB92 and others (not included)

• Finish: Matt

• Color: Black

• Intended Use: Gravel, Cyclocross

Gravel Performance Optimization

The Shimano GRX FC-RX810 crankset is purpose-built for gravel riding where stability and efficiency are critical. Its optimized chainline helps maintain better chain alignment with wide-range cassettes commonly used on gravel bikes. This ensures smoother shifting and improved drivetrain efficiency even on rough terrain. The single chainring setup reduces drivetrain complexity and minimizes the chances of chain drops during bumpy rides. With compatibility for wide gear cassettes like 11-40T or 11-42T, riders can maintain speed on flat roads while still having the gearing needed to tackle steep climbs and loose surfaces.

Why Choose This Product

• Designed specifically for gravel and cyclocross riding conditions

• Strong yet lightweight construction for long-distance performance

• Optimized chainline for wide tires and improved drivetrain efficiency

• Reliable Shimano engineering and high manufacturing quality

• Simplified 1x drivetrain setup for smooth and dependable riding

In the Box

• Shimano GRX FC-RX810 Crankset (170 mm)

• 42T Chainring

• Crank Arm Set