Shimano Tiagra FD-4700 10-Speed Double 28.6/31.8mm Front Derailleur

Shimano Tiagra FD-4700 Front DerailleursAluminum links and clamp band to save weight and increase rigidityExtra wide pivot link increases rigidity while reducing flex for improved shifting responsePlated steel chain cage43.5mm chain line52t maximum outer ring and 16t capacitySee Tech link below for compatibility info