SHIMANO GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. It isn’t a reworked set of road components. It represents a ground up look at how cyclists want to explore their world. SHIMANO GRX helps you eliminate excuses, instead urging you to try that rough sidetrack or ride that little bit longer. It offers you the option to Explore Beyond.

Features:

• Tighter gear steps maintain rhythm on familiar routes
• Optimum gearing for mixed terrains and riding styles
• Gear combination: 42T, 40T

Specifications:

• Model Number: FC-RX810-1
• Series: SHIMANO GRX DI2
• HOLLOWTECH II Technology
• Chain line (mm): 50.1
• Chain ring combination: 42T/40T
• Compatible BB type: Outboard
• Compatible chain: HG-EV 11-speed, HG-X11
• Crank Arm Length: 170 mm, 172.5 mm, 175 mm
• Crank fixing bolt included
• Gear arms: 4
• P.C.D. (mm): 110
• Rear speeds: 11
• Recommended BB Pressfit: SM-BB72
• Recommended BB Threaded (normal): SM-BBR60
• Threaded BB Shell Width: 68 mm, 70 mm
• Q-factor (mm): 151