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

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