Shimano Dura-Ace FD-R9250 Di2 Front Derailleur - 2x12-Speed, Braze-on, Down Swing, For 50-55t Max, Black/Silver

Despite its smaller, lighter design, the Shimano Dura-Ace FD-R9250 offers ultra-fast front shifting. 61-66 degree chainstay angle Includes 1 SD300 port Fast Di2 shifting performance Smaller, sleeker, lighter Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50-55t 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) 55 Shimano Dura-Ace FD-R9250 Di2 12-Speed Front Derailleur Front Derailleur UPC: 192790875286