Shimano CUES U8020 11 Spd MTB Rear Derailleur - Black


Product ID: GM031124-09

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keyboard_arrow_right Description

The Shimano CUES RD-U8020 rear derailleur is suitable for city and touring bikes with 2x11-speed Linkglide drivetrains. It has a so-called Shadow Plus chain stabiliser, which prevents the chain from slapping even on rough ground and thus counteracts chain drop.

The flat design and smooth function also contribute to safe, comfortable cycling. The rear derailleur has a total capacity of 48 teeth and is only compatible with 2-speed gears and 45 teeth on the largest cassette sprocket.

To save weight, both the cage and most other parts are made of aluminium. With its lacquered surface and CNC-machined construction, the RD-U8020 perfectly matches elegant wheels.

This model is approved for e-bikes and impresses with long-lasting performance in this area as well. Sealed bearings on the upper and lower pulleys contribute to durability.


  • Series: CUES U8000
  • Application: City & Touring
  • Gearing: 11-speed
  • Mount: standard
  • Capacity: 48-tooth
  • Compatibility: Shimano MTB 11-speed (Linkglide)
  • Compatibility - Chains: HG 11-speed, Linkglide CN-LG500

Technical Information:

  • Derailleur Pulleys: 11 tooth / 13 tooth
  • Outer Cage Material: aluminium
  • Inner Cage Material: aluminium
  • Other Materials: Aluminium, polyamide / glass fibre, steel, stainless steel


  • Shifter: SL-M8130-R11, SL-M8130-IR11, SL-U8000-11R, SL-U8000-11IR, SL-U6000-11R
  • Cassette (11-45 T): CS-LG700-11, CS-LG400-11
  • Chain: CN-LG500, CN-HG601-11, CN-HG701-11, CN-HG901-11


  • Rear derailleur for city and touring bikes with Shimano Linkglide drivetrain (2x11-speed only)
  • Chain stabiliser (Shadow+) prevents the chain from banging and jumping off and promotes smooth running
  • Smooth and defined shifting for comfortable, safe pedalling
  • Flat design prevents getting stuck on obstacles
  • Aluminium with attractive painted finish and CNC-milled structure
  • Designed and tested for long-lasting performance also on e-bikes (E-Bike Rated)
  • Derailleur pulley bearings sealed
  • Four fluorine-coated joint bushings

Shadow RD+: Shadow Plus rear derailleurs are just as low-profile as Shimano's Shadow rear derailleurs. In addition, a stabilizer with on/off switch is used to reduce chain slap and thus counteract chain drop. At the same time, this results in a quieter drive. Weight is also saved compared to other chain restraint devices.


  • Long cage length: SGS
  • Max. Largest Sprocket Teeth: 45-tooth
  • Min. Largest Sprocket Teeth: 45-tooth
  • Max. Smallest Sprocket Teeth: 11-tooth
  • Min. Smallest Sprocket Teeth: 11-tooth
  • Max. Chainring Difference: 14-tooth
  • Total Capacity: 48-tooth
  • Manufacturer Number: ERDU8020SGS

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