The Shimano CUES FC-U4000-1 crankset is built for dependable performance across commuting, trekking, fitness, and mountain bikes. Featuring durable aluminum crank arms and Shimano's Dynamic Chain Engagement+ technology, it delivers smooth pedaling and improved chain retention over rough terrain.

At a Glance

• 175mm aluminum crank arms
• Available with 32T or 42T chainring options
• Dynamic Chain Engagement+ for improved chain retention
• Compatible with 9, 10, and 11-speed drivetrains
• Square Taper JIS spindle interface
• Designed for Shimano CUES LINKGLIDE systems

Best For

• Mountain biking
• Gravel and adventure riding
• Commuting and fitness bikes
• Trekking and recreational cycling
• Replacing or upgrading compatible square taper cranksets

Before You Buy

• Available in 32T and 42T chainring configurations—choose the option that best matches your riding style and gearing needs.
• Compatible with Shimano LINKGLIDE and HG 11-speed chains, and suitable for 9, 10, and 11-speed drivetrains.
• Uses a Square Taper JIS spindle interface.
• Fits frames with 68mm or 73mm bottom bracket shells.
• Recommended bottom bracket: Shimano BB-UN101 LL123 (sold separately).
• Chainline varies by model:
  • 32T version: 52mm chainline
  • 42T version: 50mm chainline
• Q-factor: 178mm.

What This Product Does

The Shimano CUES FC-U4000-1 converts your pedaling power into efficient drivetrain performance while helping keep the chain securely engaged over rough roads and trails. Shimano's Dynamic Chain Engagement+ tooth profile improves chain retention, reducing the likelihood of chain drops during uneven riding conditions while maintaining smooth and efficient power transfer.

Benefits

• Improved chain retention: Dynamic Chain Engagement+ tooth shaping helps keep the chain securely engaged over bumps and rough terrain.
• Durable aluminum construction: Aluminum crank arms provide an excellent balance of strength, stiffness, and weight for everyday riding.
• Wide drivetrain compatibility: Works with Shimano CUES LINKGLIDE systems and compatible 9, 10, and 11-speed drivetrains.
• Reliable square taper interface: Compatible with many existing bikes using a Square Taper JIS bottom bracket, making upgrades straightforward.
• Choose the gearing that fits your riding: The 32T version offers easier climbing and trail-focused gearing, while the 42T version is better suited for faster riding, commuting, and mixed-terrain use.
• Built for everyday reliability: Designed to provide consistent pedaling performance whether you're commuting, exploring gravel roads, or riding local trails.