Shimano CUES RD-U4020 9-speed MTB and e-MTB rear derailleur

The Shimano CUES RD-U4020 rear derailleur has been specially designed for intensive daily use. Compatible with e-bikes, gear changes are both precise and smooth, even when the e-bike’s motor is engaged.

The quality and performance of the Shimano CUES derailleur are also maintained on trails and gravel paths thanks to a compact design that protects it in a wide variety of situations. The cage’s total capacity allows for a total of 41 teeth (cog + chainring), enabling the use of a large 36-tooth cog (2x9-speed)

In short, the Shimano CUES RD-U4020 rear derailleur has been designed and tested to deliver long-lasting performance on e-bikes.

Technical specifications

Mountain bike and e-bike drivetrain

2x9-speed

Large sprocket: 36 teeth maximum

Mechanical cable pull