Description.
 
The Shimano Cues FC-U6030-1 is a 2-piece front chainwheel built for riders who demand reliability and efficiency across varying terrain. Designed for 9, 10 and 11-speed drivetrains, it delivers consistent performance whether you're on gravel, trails, or the road.
 
Smooth and Secure Chain Engagement: Featuring Shimano’s Dynamic Chain Engagement+ technology, the crankset provides improved chain retention and reduced chain drop. The special gear tooth profile ensures a steady pedaling rhythm even on rugged surfaces.
Optimized for Power Transfer: The 2-piece design increases stiffness while keeping weight low, making your pedaling more efficient. This results in better energy transfer and responsiveness, giving you an edge in both casual rides and high-effort climbs.
Adaptable Gear Options: Available in 40T and 42T configurations, the FC-U6030-1 lets you choose the gearing that best suits your riding style. Whether you prefer a faster cadence or more torque, this crankset offers versatile options for varied terrain.
The Shimano Cues FC-U6030-1 Crankset is compatible with multiple drivetrain speeds, making it a flexible upgrade or replacement for a wide range of bikes.
 
Features
 
Improved Chain Retention: Dynamic Chain Engagement+ ensures smoother pedaling and reduces chain drop on rough terrain.
Efficient Power Transfer: The 2-piece crank design boosts stiffness and lowers weight for responsive energy transmission.
Versatile Drivetrain Compatibility: Works with 9, 10 and 11-speed systems, offering broad upgrade potential.
Customizable Chainring Options: Available in 40T and 42T to suit different riding needs, from speed to torque.
Gravel-Ready Durability: Built to withstand all-road and off-road riding while maintaining long-term performance.
Technologies
2-Piece Crank Set: Combines crank arm and bottom bracket for increased rigidity, better power transmission and simplified installation with low maintenance.
Dynamic Chain Engagement+: Special tooth profile enhances chain stability and retention on single-chainring setups, reducing wear and improving pedal smoothness over uneven terrain.
Specifications
Model No: FC-U6030-1
Series: Cues
Rear Speeds: 11/10/9
Compatible Chain: LinkGlide, HG 11-Speed
Chain Line (mm): 50
O.L.D.|Thru (mm): 142
O.L.D.|QR/Nut (mm): 135
P.C.D. (mm): 110
Spider/Gear Arms: 4
Chainring Combination: 40T, 42T
Q-Factor (mm): 152
Crank Arm Length (mm): 165, 170, 172.5, 175
Optional Chain Guard|Without Chain/Bash Guard: Yes
2-Piece Crankset: Yes
Compatible Bottom Bracket Type|Outboard: Yes
Recommended Bottom Bracket|Threaded (Normal): BB-RS501
Recommended Bottom Bracket|Press-Fit: BB-RS500-PB
Threaded Bottom Bracket Shell Width (mm): 68, 70