Shimano CUES FC-U4000 Crankset w/ Chainring (Black) (1 x 9/10/11 Speed) (170mm) (40T) (Square Taper)

Grow your confidence riding hard over the rough stuff with this Shimano CUES FC-U4000-1 crankset's wide-range gearing and seamless pedaling. Dynamic Chain Engagement+ special gear tip shape improves chain engagement and retention for smooth riding over rough terrain Durable and lightweight aluminum crank arms For frames with 68/73mm bottom bracket shells BB-UN101 LL123 bottom bracket recommended (Sold separately) Compatible with LINKGLIDE AND HG 11-speed chains 50mm Chainline 178mm Q-factor Specifications BB IncludedNoChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility141/148 Boost HubsChainring BCDRivetedColorBlackCrank Length (mm)170Defined ColorBlackDesigned for ebikeYesDrivetrain Speeds9Drivetrain Speeds10Drivetrain Speeds11Number of ChainringsSinglePedal Spindle9/16"Rings40Spindle Interface TypeSquare Taper JIS