The SHIMANO ALIVIO FD-M3100 2x9-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.
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 tire on wider rims
Chainline: 50 mm
Side Swing
Angled clamp band design
Angled stroke adjust bolt
Applicable Top-Mid tooth difference: 10T
Chain stay angle: 66-69
Compatible chain: CN-HG53 9-speed
Link bushings: 4
Mount_Clamp Band: 34.9mm
Speeds: 2 x 9
Top gear teeth: 40T
Total capacity: 18T
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