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)
