Shimano Cues RDU4000 GS

Shimano CUES RD-U4000 Rear Derailleur (1x9-Speed)

The Shimano CUES RD-U4000 is a durable and dependable 1x9-speed rear derailleur designed for trail riding, gravel adventures, commuting, and e-bikes. Featuring Shimano SHADOW RD technology and LINKGLIDE compatibility, it delivers stable shifting performance and enhanced drivetrain durability across a wide range of riding conditions.

Its low-profile design reduces exposure to impacts on rough terrain, while optimized geometry and spring tension improve chain retention and minimize chain drop when riding over uneven surfaces.

Features

• Designed for 1x9-speed Shimano CUES drivetrains
• Compatible with Shimano LINKGLIDE shifting systems
• SHIMANO SHADOW RD low-profile design
• Optimized geometry and spring tension for improved chain retention
• Stable drivetrain performance on trails, gravel, and urban roads
• Supports wide-range cassettes up to 46T
• E-bike rated for enhanced durability
• Direct mount installation
• 13T guide and tension pulleys
• Fluoric-coated link bushing for smoother operation

Specifications

Ideal For

• Trail riding
• Gravel riding
• Urban and commuter bikes
• Adventure bikes
• E-bikes
• Shimano CUES LINKGLIDE drivetrains