The Shimano Alivio RD-M3100-SGS is a 9-speed rear derailleur designed for MTB and recreational cycling setups. Its SGS long cage configuration supports wide-range 9-speed drivetrains, making it suitable for bicycles that need a practical combination of climbing and high-speed gearing.
Built for reliable shifting performance, the Alivio RD-M3100-SGS features Shimano's Shadow RD low-profile design, helping keep the derailleur closer to the bike while improving protection from obstacles on off-road trails.
Key Features
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Shimano Alivio 9-speed rear derailleur
- Model: RD-M3100-SGS
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SGS long cage design
- Shimano Shadow RD low-profile construction
- Designed for wide-range MTB gearing
- Smooth and reliable gear shifting
- Suitable for mountain bikes and recreational bicycles
- Compatible with Shimano 9-speed MTB shifting systems
- Durable construction for regular riding and trail use
- Designed for improved chain management and stability
Benefits
Smooth 9-Speed Shifting
Designed to provide dependable gear changes across a wide-range MTB drivetrain.
Long-Cage Design
The SGS cage provides the chain capacity required for wide-range gearing commonly used on mountain bikes.
Shadow RD Design
The low-profile derailleur design helps reduce exposure to obstacles and contributes to improved stability on uneven terrain.
Wide-Range Compatibility
Suitable for MTB setups using larger rear sprockets for climbing and varied terrain.
Reliable Shimano Performance
A practical replacement or upgrade for compatible 9-speed Shimano MTB drivetrains.
Ideal For
- MTB bicycles
- Trail riding
- Trekking bikes
- Hybrid bikes with compatible 9-speed drivetrains
- Recreational cycling
- Bicycle drivetrain replacement
Package Includes
- 1 × Shimano Alivio RD-M3100-SGS Rear Derailleur