Shimano Cues RD-U4000-GS - ERDU4000GS - 9-speed Shadow rear derailleur, GS cage, compatible with LINKGLIDE and e-bike

Shimano Cues RD-U4000-GS 9-speed Shadow rear derailleur

The Shimano Cues RD-U4000-GS rear derailleur is designed for Shimano Cues 1x9-speed drivetrains. With its Shadow direct mount, GS cage, and compact design, it offers smooth and reliable operation on trails, gravel paths, and urban commutes.

Thanks to its optimized geometry, carefully designed spring tension and chain stabilization system, the Shimano Cues RD-U4000-GS - ERDU4000GS rear derailleur helps reduce chain skipping and provides more confidence on rough terrain.

Designed and tested to deliver lasting performance in electric bikes, this LINKGLIDE compatible model is aimed at cyclists looking for a robust, stable and versatile drivetrain for everyday, sporty or all-road use.

Design

Shadow direct attachment

The Shimano Cues RD-U4000-GS derailleur uses a direct mount with Shadow design, in order to offer a compact profile and better protection against obstacles.

Compact profile

The compact profile design is optimized for rough terrain. It limits derailleur exposure and allows for a more confident ride on rough roads, trails, or urban routes.

GS screed

The GS cage allows for the management of a compatible 1x9 speed transmission, with a total capacity of 35 teeth.

Optimized geometry

The derailleur geometry and spring tension are designed to limit chain skipping and improve transmission stability.

13-tooth rollers

The derailleur is equipped with 13/13 tooth pulleys, suitable for the operation of compatible Shimano Cues 9 speed transmissions.

Integrated cable adjuster

The cable adjuster allows for precise adjustment of cable tension to optimize gear shifting after assembly.

Performance

Stable transmission

The RD-U4000-GS offers stable performance on trails, gravel paths and city streets, for versatile everyday use.

Reduction of chain skipping

Optimized geometry and spring tension reduce chain skipping, improving transmission reliability on uneven terrain.

Smooth gear changes

This 1x9 speed rear derailleur allows for smooth and regular gear changes, suitable for varied terrain.

Confidence on rough terrain

Its compact design and chain stabilization system give more confidence when choosing more challenging or rugged routes.

Designed for electric bikes

The derailleur is designed and tested to offer durable performance in electric bikes, as part of a compatible Shimano drivetrain.

Compatibility

1x9 speed transmission

The Shimano Cues RD-U4000-GS derailleur is designed for Shimano 9-speed single chainring rear drivetrains.

LINKGLIDE compatibility

This model is compatible with LINKGLIDE transmissions, designed to offer good durability and reliable gear shifting over time.

Compatible chain

The derailleur is compatible with LINKGLIDE and HG 11-speed chains.

Compatible sprockets

The derailleur accepts an 11-tooth top sprocket and a 41-46 tooth large sprocket, depending on the transmission configuration.

Direct Shadow Edit

This model is designed for direct Shadow mounting installation on a compatible frame.

Technical specifications

• Brand: Shimano
• Range: Cues
• Model: RD-U4000-GS
• Shimano part number: ERDU4000GS
• EAN code: 4550170172275
• UPC Code: 192790172279
• Product family: rear derailleur
• Reverse speeds: 9 speeds
• Configuration: single chainring 1x9 speed
• Type: Shadow direct mount
• Chape: GS
• Color: color series
• Packaging: individual packaging
• Compatible chain: LINKGLIDE / HG 11-speed
• Roller: 13 / 13 teeth
• Cable adjuster: yes
• Minimum upper sprocket: 11 teeth
• Maximum upper sprocket: 11 teeth
• Large sprocket min.: 41 teeth
• Maximum sprocket size: 46 teeth
• Maximum front difference: 0 teeth
• Total capacity: 35 teeth
• Design: Shadow
• Specificity: designed for electric bikes

Recommended use

• Replacing a Shimano Cues 9-speed rear derailleur
• Compatible Shimano Cues drivetrain
• LINKGLIDE compatible transmission
• Single chainring 1x9 speed setup
• compatible electric bike
• VTC
• Recreational mountain biking
• Urban bike
• Trekking bike
• Gravel paths
• Trails and rough terrain
• Assembly with a large sprocket of 41 to 46 teeth

Why choose the Shimano Cues RD-U4000-GS rear derailleur?

• Shimano Cues 9-speed rear derailleur
• Designed for 1x9 speed single chainring drivetrains
• Shadow design with a compact profile
• GS screed
• LINKGLIDE compatible
• Compatible with LINKGLIDE and HG 11-speed chains
• Optimized geometry to reduce chain skipping
• Chain stabilization system for added confidence on rough terrain
• Large sprocket compatible with 41 to 46 teeth
• Total capacity of 35 teeth
• Integrated cable adjuster
• Designed and tested for electric bikes
• Suitable for trails, gravel paths and urban routes
• Genuine Shimano product
• Reference ERDU4000GS