RD-U4000 CUES Rear Derailleur

Product Information

The Shimano CUES RD-U4000 rear derailleur offers smooth and reliable shifting for a variety of riding conditions. It leverages LINKGLIDE technology for increased durability and seamless gear transitions, making it a solid choice for everything from city commutes to demanding e-bike adventures. Its low-profile design minimizes snagging, giving you confidence on rougher terrain.

This 1x9-speed derailleur is designed to deliver stable drivetrain performance, reducing chain drop with optimized geometry and spring tension. It's a robust component that stands up to the rigors of high-torque e-biking and daily use, ensuring consistent performance mile after mile.

Features

• LINKGLIDE technology for enhanced durability and smooth, consistent shifting that lasts up to three times longer than traditional systems
• SHADOW RD design offers a super low profile to protect the derailleur from obstacles and provide quiet performance
• Optimized geometry and spring tension actively reduce chain drop for a more reliable ride
• E-bike rated, engineered and tested to provide enduring performance for electric bicycle systems
• Features large 13-tooth pulley wheels for extended life and improved chain wrap

Specs

• Rear Speeds: 9
• Total Capacity: 35T
• Max Low Sprocket: 46T
• Min Low Sprocket: 41T
• Compatible Chain: LINKGLIDE, HG 11-speed
• Cage Length: Medium (GS)
• Mount Type: Standard / Direct attachment (Conventional)
• Materials: Aluminum bracket body, steel outer and inner plates, polyamide/glass fiber, stainless steel for internal components