The Shimano FC-U6040-1 CUES Crankset is a front single crankset built for gravel and road riding across multiple drivetrain speeds. Dynamic Chain Engagement+ technology improves chain retention over rough terrain, while a hollow-forged arm keeps the crankset light without sacrificing stiffness or power transfer.
Hollowtech 2 construction balances stiffness, strength, and rotating performance, and the steel outer ring stands up to daily wear. The crankset accepts a range of bottom bracket shell widths and chainring mounting standards, and it pairs with multiple modern chain types for reliable, consistent shifting.
Quick Facts
| Feature |
Specification |
| Compatibility |
9/10/11-Speed, LINKGLIDE / HG 11 Speed chains |
| Chainline |
50mm Road 1x (135mm/142mm Rear OLD) |
| BB Shell Width |
68mm or 70mm |
| BCD |
4-bolt, 110mm Asymmetric |
| Recommended Bottom Bracket |
BB-RS501, BB-RS500-PB |