Shimano Altus FD-M310 Front Derailleur – 34.9mm Dual Pull
What Is It?
The Shimano Altus FD-M310 is a 3-speed front derailleur designed for 7- and 8-speed MTB drivetrains. This top-swing model uses a 34.9mm clamp and dual-pull cable routing, allowing compatibility with both top- and bottom-pull cable configurations.
Key Features
- Shimano Altus M310 series
- 3-speed front shifting
- Top-swing design
- 34.9mm clamp band
- Dual-pull cable routing
- Compatible with 7- and 8-speed rear drivetrains
- Supports 42T and 48T outer chainrings
- 20T total capacity
- 66–69° chainstay angle
- 47.5/50mm chainline compatibility
Specifications
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Brand: Shimano
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Series: Altus
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Model: FD-M310-6
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Type: Front Derailleur
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Front Speeds: 3-speed
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Rear Speeds: 7/8-speed
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Mounting: Clamp band
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Clamp Diameter: 34.9mm
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Cable Routing: Dual-pull
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Action: Top swing
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Top Gear Teeth: 42T / 48T
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Total Capacity: 20T
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Chainline: 47.5/50mm
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Chainstay Angle: 66–69°
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Compatible Chain: Shimano HG 8/7/6-speed
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Material: Steel
Benefits
- Supports reliable front shifting across a wide range of MTB gearing
- Dual-pull routing provides flexible cable installation
- 34.9mm clamp fits common MTB seat tubes
- 20T capacity accommodates a broad triple-chainring range
- Suitable for straightforward replacement or drivetrain builds
Best Suited For
- MTB bicycles
- Trekking and recreational bikes
- 3x7-speed drivetrains
- 3x8-speed drivetrains
- Bikes using 42T or 48T outer chainrings
- Replacement of compatible Shimano Altus front derailleurs
