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

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