Shimano FD-6700 Ultegra Front Derailleur (2x10-Speed, 31.8/28.6mm, Silver)

Wide pivot link design suppresses flex for more precise shifts Redesigned spring system for reduced shifting effort and faster shifts Coupled with 6700 STI shifters provides both small and big ring trim Compatible with older 6600/6603+SL 10-speed systems Braze-on fits frames with pre existing front derailleur braze-on (can also be used with 31.8mm or 34.9mm braze-on/band-clamp adapters); or use pre-sized band-clamp versions 89g (braze-on)