Shimano CUES FC-U6030-2 CranksetThe Double Shimano CUES FC U6030 2 2 Piece crankset delivers reliable performance and smooth pedaling for gravel and is available in 50 34t or 46 32t configurations. 2 piece crankset with aluminum crankarms enhances rigidity reduces weight and ensures efficient power transfer For frames with 68 70mm bottom bracket shells BB RS501 or BB RS500 PB bottom bracket recommended (sold separately) 47mm Chainline 152mm Q factor Compatible with LINKGLIDE AND HG