Shimano CUES RD-U4000 9-Speed GS Medium Cage Rear Derailleur is designed for cyclists seeking reliable performance and durability. This derailleur is part of the CUES range, known for its compatibility and versatility, making it ideal for mid-grade riding styles. Shimano CUES RD-U4000 9-Speed GS Medium Cage Rear Derailleur features advanced LINKGLIDE technology, offering up to 300% more durability compared to the current Hyperglide drivetrain. This ensures smooth and consistent shifting. The Shadow design provides a low profile and optimised slant angle, enhancing shifting action and clearance.

Key Features:

• Wide link design for increased rigidity and longer service life
• Fluorine-coated link pin bushing for smooth operation
• Large 13-tooth pulleys for extended lifespan
• Aluminium bracket body with steel outer and inner plates
• Single ring compatibility with a total capacity of 35T
• 9-speed configuration
• Compatible with LINKGLIDE and HG 11-speed chains
• Supports 46-35T low sprocket
• E-bike rated for enhanced performance

To configure your CUES groupset, use the easy chart provided. Simply fill in your bike type and required speeds, then select the necessary components. Click here for more details. For a deeper understanding of the CUES range, watch the introduction video below: