Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max BLK/Silver

Combining Shimano's Di2 platform and the road incarnation of Hyperglide+ the Ultegra FD-R8150 front derailleur shifts between chainrings with the fast and seamless action.Small sleek and lightweight front derailleurFrontal area is smaller than previous designs to reduce aerodynamic dragTop gear teeth capacity: 50-54t