microSHIFT MarvoLT Front Derailleur 9-Speed Double, 42T Max, Direct Mount, Compatible with Shimano CompatibleFeaturing full metal construction and precisely engineered linkages, Marvo level derailleurs deliver high end performance that will last. Full aluminum construction Dual pull design 31. 8 adaptor included Product Specifics Drivetrain Speeds: 9 Weight: 140 Max Ring (teeth): 42 Front Derailleur Style: Traditional Front Derailleur Clamp: High Direct Mount Double or Triple: Double Front Der Shifter Compatibility: Compatible with Shimano Mountain