Shimano Alivio RD-M3100-SGS - ERDM3100SGS - 9-speed Shadow rear derailleur, SGS cage, 36-tooth large cog

Shimano Alivio RD-M3100-SGS 9-speed Shadow rear derailleur

The Shimano Alivio RD-M3100-SGS rear derailleur is designed for Shimano 9-speed drivetrains. With its SGS cage, Shadow direct mount, and compact profile, it offers a reliable solution for bikes equipped with a compatible mountain bike, hybrid bike, or trekking drivetrain.

Thanks to its SHIMANO SHADOW design, the Shimano Alivio RD-M3100-SGS - ERDM3100SGS rear derailleur allows for more committed riding with less risk of snagging and fewer breaks in rhythm on uneven terrain.

Compatible with Shimano HG 9-speed chains, this model accepts a large sprocket up to 36 teeth and has a total capacity of 45 teeth. It also features an adjustment barrel for precise cable tension adjustment after installation.

Design

Shadow direct attachment

The Shimano Alivio RD-M3100-SGS derailleur uses a direct mount with Shadow design, in order to offer a more compact profile and better integration with the bike.

Compact profile

The derailleur's compact profile limits its exposure to obstacles, which is particularly useful for mountain biking, trekking, or trail use.

SGS screed

The SGS cage allows for a greater chain length and accepts a wider range of gear ratios on compatible transmissions.

Adjustment barrel

The integrated adjustment barrel allows cable tension to be adjusted to optimize gear shifting accuracy.

Color series finish

The color series finish allows for consistent integration with the components of the Shimano Alivio range.

Performance

Reliable gear changes

The Shimano Alivio RD-M3100-SGS rear derailleur is designed to ensure smooth and precise gear shifting on compatible Shimano 9-speed drivetrains.

SHIMANO SHADOW design

The SHIMANO SHADOW design allows for a reduced derailleur profile, for better protection during technical sections or rides on rough terrain.

Fewer breaks in rhythm

Thanks to its compact profile, this derailleur allows for smoother riding on demanding terrain, with less risk of snagging.

Large sprocket up to 36 teeth

The RD-M3100-SGS accepts a large sprocket up to 36 teeth, allowing you to take advantage of a gear range suitable for climbs and hilly terrain.

Total capacity of 45 teeth

With a total capacity of 45 teeth, this derailleur allows for efficient management of tooth spacing on compatible transmissions.

Compatibility

9-speed transmission

The Shimano Alivio RD-M3100-SGS derailleur is designed for Shimano 9-speed rear drivetrains.

Shimano HG 9-speed chain

This model is compatible with Shimano HG 9-speed chains.

Compatible sprockets

The derailleur accepts a top sprocket of 11 to 12 teeth and a large sprocket of 32 to 36 teeth, 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: Alivio
• Model: RD-M3100-SGS
• Shimano part number: ERDM3100SGS
• EAN code: 4550170621155
• UPC Code: 192790621159
• Product family: rear derailleur
• Reverse speeds: 9 speeds
• Type: Shadow direct mount
• Screed: SGS
• Color: color series
• Packaging: individual packaging
• Compatible chain: HG 9-speed
• Roller: 11 teeth
• Cable adjuster: yes
• Minimum upper sprocket: 11 teeth
• Maximum upper sprocket: 12 teeth
• Smallest sprocket: 32 teeth
• Smallest sprocket max.: 36 teeth
• Maximum front difference: 22 teeth
• Total capacity: 45 teeth
• Design: SHIMANO SHADOW

Recommended use

• Replacing a Shimano 9-speed rear derailleur
• Shimano Alivio compatible drivetrain
• Recreational mountain biking
• VTC
• Trekking bike
• Versatile bicycle equipped with a 9-speed Shimano drivetrain
• Assembly requiring an SGS screed
• Transmission with large sprocket up to 36 teeth
• Assembly with compatible Shimano HG 9-speed chain

Why choose the Shimano Alivio RD-M3100-SGS rear derailleur?

• Shimano Alivio 9-speed rear derailleur
• SHIMANO SHADOW compact profile design
• SGS screed for an extended range of developments
• Compatible with a large sprocket up to 36 teeth
• Total capacity of 45 teeth
• Compatible with Shimano HG 9-speed chain
• Integrated adjustment barrel
• Shadow direct attachment
• Suitable for mountain biking, hybrid biking and trekking
• A reliable solution for replacing a worn rear derailleur.
• Genuine Shimano product
• Reference ERDM3100SGS