FC-RX820-2 GRX CRANKSET - 2X12 SPD

Product Information

The Shimano GRX FC-RX820-2 crankset delivers a finely tuned 2x12-speed setup for gravel, balancing efficiency and weight across varied terrains. Unlike 1x systems, this crankset maintains tight gear steps for consistent cadence control, crucial for competitive gravel and group rides, ensuring a smooth pedaling rhythm from flats to steep climbs.

Utilizing Shimano's Hollowtech II technology, this crankset integrates the bottom bracket axle with the right crank arm. This design ensures excellent stiffness and efficient power transfer while keeping weight low. Its hollow aluminum crank arms contribute to a robust yet lightweight design, ready for aggressive gravel adventures.

Features

• 2x12-speed aluminum crankset optimized for gravel.
• Hollowtech II construction for stiffness, stability, and rotational efficiency.
• Gravel-optimized 48-31T chainring combination for precise cadence control.
• 17-tooth chainring difference (48/31T) covers diverse riding conditions.
• Increased 47mm chainline provides clearance for wider gravel tires.
• 151mm Q-factor offers a stable pedaling platform on rough terrain.

Specs

• Crank Arm Material: Aluminum.
• Chainring Material: Aluminum.
• Axle Material: Steel.
• Gradation: 48-31T.
• Crank Arm Lengths: 170mm, 172.5mm, 175mm.
• Chainline: 47mm.
• Q-Factor: 151mm.
• Axle Diameter: 24mm.
• Weight (170mm): 710g.
• Chainring Mount: 110/80mm BCD, 4-arm asymmetrical.
• Compatibility: Shimano 2x12-speed drivetrains, HG 12-speed chains.