Ultegra R8150 Di2 Front Derailleur (12-Speed)

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