The Shimano CUES FC-U6000-2B crankset is the Boost double-chainring version with 175mm arms and included 36/22T steel rings. Its two-piece construction uses aluminum crankarms, a 24mm spindle and a listed 51.8mm chainline.
The listed fit requirements include 141/148mm Boost hub spacing and 68/73mm bottom-bracket shells, with BB-MT501 recommended separately. Check the complete CUES drivetrain requirements for the 9/10/11-speed setup. The U6000-2B suffix identifies this Boost configuration.





