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Front derailleurs
Shimano Shimano Alivio FD-M3100-M Front Derailleur
34.9 mm clamp · 31.8 / 28.6 mm adapters included
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Jul 29, 2026
- Compatibility review
- Reviewed Jul 29, 2026
Approved technical sources
- Shimano Lifestyle Active front derailleur specificationsManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- Shimano current MTB component ordering catalogManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- Shimano current drivetrain compatibility tablesManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
Technical data
Specifications
- Speeds
- 9-speed
- Supported speeds
- 9-speed
- Maximum front difference
- 18T
- Compatible drivetrain families
- Shimano MTB/Lifestyle HG mechanical 9-speed
- Compatible chain families
- Shimano HG 9-speed
- Front drivetrain groups
- Shimano Alivio M3100 3x9
- Front speeds
- 3x
- Shift actuation
- Mechanical
- Front derailleur mount
- Clamp Band
- Front derailleur clamp diameter
- 34.9 mm
- Supported front derailleur clamp diameters
- 28.6 mm, 31.8 mm, 34.9 mm
- Front derailleur cable routes
- Front Pull
- Minimum outer chainring
- 40T
- Maximum outer chainring
- 40T
- Total capacity
- 18T
- Minimum chainstay angle
- 66°
- Maximum chainstay angle
- 69°
- Chainline
- 50 mm