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
• 52mm Chainline
• 178mm Q-factor