Front derailleur Shimano ALIVIO FD-M3100 2x9-speed

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.For front triple chainringSmooth and quiet front shifting on the trailMore powerful outward shiftingWider traction range reduces chain rub for rear suspension bikesExtra wide range with front triple 40-30-22TCompatible with 2.3-inch tire on wider rimsChainline: 50 mmSide Swing Angled clamp band design Angled stroke adjust bolt Applicable Top-Mid tooth difference: 10TChain stay angle: 66-69Compatible chain: CN-HG53 9-speedLink bushings: 4Mount_Clamp Band: 34.9mm Speeds: 2 x 9 Top gear teeth: 40TTotal capacity: 18T