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. Small, sleek and lightweight front derailleur Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50-54t Product Specifics Double or Triple: Double Drivetrain Speeds: 12 Derailleur Capacity: 16 Front Derailleur Clamp: Braze-on Front Derailleur Cable Pull: Electronic Front Der/Shifter Compatibility: Shimano Road Di2 Max Ring (teeth): 54 Front Derailleur Style: Traditional Today's Stock Status 10+ Available to ship in 2-4 Business Days UPC: 192790875309 EAN: Not available Manufacturer Part Number: Does Not Apply FD0004 181683-Q0-L