When your adventure needs more gear range, the ADVENT front derailleur gives you all the options you need. Capable of handling up to a 16T chainring differential, you can achieve range of over 560% when paired with an 11-42 ADVENT cassette and long cage rear derailleur.Features-Compatible with long cage ADVENT rear derailleur onlyItem Specifications-Drivetrain Speeds:9-Double or Triple:Double-Derailleur Capacity:16-Front Der/Shifter Compatibility:Shimano Mountain-Front Derailleur Cable Pull:Dual-Front Derailleur Clamp:34.9 (1-3/8"),31.8 (1-1/4")-Front Derailleur Style:Dual-Max Ring (teeth):48