The Shimano Alivio FD-M3100 3x9-speed front derailleur uses Shimano's new Side Swing for enhanced cable routing, light action, and smooth operation.

The new design provides extra wide range for triple front chainring cranksets and increases clearance for large wheels and short chain stays.

Technologies

Side Swing Front Derailleur - Horizontal movement follows the chain direction. Smooth & efficient front shifting effort

Features

For front triple chainring
Smooth and quiet front shifting on the trail
More powerful outward shifting
Wider traction range reduces chain rub for rear suspension bikes
Extra wide range with front triple 40-30-22T
Compatible with 2.3-inch tyre on wider rims
Chainline: 50 mm

Specifications

Applicable Top-Mid tooth difference 10T
Chain line 50mm
Chain stay angle (deg.) 66-69
Compatible chain CN-HG53 9-speed
Link bushings 4
Mount Clamp Band: 28.6mm - X (w/ S size adapter)
Clamp Band: 31.8mm - X (w/ M size adapter)
Clamp Band: 34.9mm
Speeds Front: 3
Rear: 9
Top Gear Teeth 40T
Total Capacity 18T

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