CUES RD-U4000

The smooth operation and reliability of this Shimano CUES RD-U4000 Shadow 1x9-speed rear derailleur will help cyclists expand their comfort zone on rides. Its discreet design and chain stabilization will give them the confidence to tackle rougher terrain.


• CUES 9 speeds
  
• Stable transmission on trails, gravel, and urban roads
  
• The discreet Shadow design protects the rear derailleur from obstacles on a wide variety of terrains.
  
• Optimized geometry and spring tension reduce derailments
  
• Designed and tested for lasting performance in electric bikes
  
• 13-tooth rollers
  
• Compatible with LINKGLIDE and HG 11-speed chains

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