Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed, Braze-on, Down Swing, For 50-54t Max, Black/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. 61-66 degree chainstay angle Includes 1 SD300 port Small, sleek and lightweight front derailleur Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50-54t Item Specifications Derailleur Capacity 16 Double or Triple Double Drivetrain Speeds 12 Front Der/Shifter Compatibility Shimano Road Di2 Front Derailleur Cable Pull Electronic Front Derailleur Clamp Braze-on Front Derailleur Style Traditional Max Ring (teeth) 54 Shimano Ultegra FD-R8150 Di2 12-Speed Front Derailleur Front Derailleur UPC: 192790875309