Shimano CUES Shadow RD-U4020 9-speed Rear Derailleur - black/long

Shimano CUES Shadow RD-U4020 9-speed Rear Derailleur

Item number: 91371

Shimano RD-U4020 CUES rear derailleur for 2x9-speed - For MTB, touring and city bikes with and without motor


The Shimano CUES RD-U4020 rear derailleur is suitable for city, touring and mountain bikes with 2x9-speed Linkglide drivetrain and, unlike the RD-U3020, is also approved for e-bikes. It features a flat construction, the so-called Shadow Design, which reduces the risk of collision with obstacles. Its smooth, reliable function promotes comfortable everyday biking. The rear derailleur has a total capacity of 41 teeth and is only compatible with 2-speed gears and 36 teeth on the largest cassette sprocket. It is made of steel and a polyamide-glass fibre composite.

Guidelines for Replacing E-bike Components:

Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance.

Specifications:

Series:
CUES U4000
Application:
City, Touring, All Mountain
Gearing:
9-speed
Mount:
standard
Capacity:
41-tooth
Compatibility:
Shimano MTB 9-speed (Linkglide)
Compatibility - Chains:
HG 11-speed, Linkglide CN-LG500

Technical Information:

Derailleur Pulleys:
11-tooth
Outer Cage Material:
steel
Inner Cage Material:
steel
Other Materials:
Polyamide / glass fibre, steel, stainless steel, aluminium

Compatibility:

Shifter:
SL-U4000-9R, SL-U4010-9R
Cassette (11-36 T):
CS-LG400-9, CS-LG300-9
Chain:
CN-LG500, CN-HG601-11, CN-HG701-11, CN-HG901-11

Features:

  • rear derailleur for city, touring and mountain bikes with Shimano Linkglide drivetrain (2x9-speed only)
  • smooth and defined shifting for comfortable, safe pedalling
  • flat design prevents getting stuck on obstacles
  • reliability and stable performance for everyday and leisure use
  • designed and tested for long-lasting performance also on e-bikes (E-Bike Rated)
  • a fluorine-coated joint bushing
  • painted cage

Technology:

Shadow RD
Shadow rear derailleurs from Shimano have a very flat profile, allowing for a more aggressive riding style by minimising the risk of getting stuck on obstacles. In addition, the single preload ensures that the rear derailleur does not hit the chain stay even on very uneven ground. All of this contributes to a quiet, clean-operating gearshift.

Models:

long:
Cage Length:
SGS
Max. Largest Sprocket Teeth:
36-tooth
Min. Largest Sprocket Teeth:
36-tooth
Max. Smallest Sprocket Teeth:
11-tooth
Min. Smallest Sprocket Teeth:
11-tooth
Max. Chainring Difference:
16-tooth
Total Capacity:
41-tooth
Manufacturer Number:
ERDU4020SGS

Contents:

  • 1 x Shimano CUES RD-U4020 Shadow rear derailleur


  • 100 day return period
  • Online since 1998
  • Trusted Shop 4.87 / 5.00

Models:

  • black/long, in stock
    38.94€

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