Efficient and Stiff Front Single Crankset for Gravel Adventures. The Shimano CUES FC-U6040-1 HOLLOWTECH II Crankset offers superior chain retention and a stiff yet lightweight design boosting confidence on long gravel rides.HOLLOWTECH II Hollow-forged Crank limits weight while optimizing power transfer Dynamic Chain Engagement+ special gear tip shape improves chain engagement and retention for smooth riding over rough terrain For frames with 68/70mm bottom bracket shells BB-RS501 or BB-RS500-PB bottom bracket recommended (sold separately) 50mm Chainline 152mm Q-factor Compatible with LINKGLIDE AND HG 11-speed chains
| Rings | 40, 42 |
| Number of Chainrings | Chain Retaining Single |
| Drivetrain Speeds | 11 |
| Chainring BCD | 110 Shimano Asymmetric |
| Chainline/Hub Compatibility | 135/142 Road Disc Hubs > 415 mm Chainstay |
| Color | Black |
| Crank Length (mm) | 170, 172.5, 175 |
| Crank Intended Use | Road |
| BB Included | No |
| Pedal Spindle | 9/16" |
| Spindle Interface Type | Shimano Hollowtech II |
| Defined Color | Black |
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