More compact and faster than ever, the Ultegra R8150 front derailleur performs digitally precise front shifts under any circumstances. Combining Shimano's Di2 platform and the road incarnation of Hyperglide+, the Ultegra R8150 front derailleur shifts between chainrings with our fastest, most seamless action. Features Shimano's fastest ever front shifting, 45% faster than FD-R9150. Smaller, sleeker, lighter. Frontal area reduced by 33%. Weight cut to 116 g. Top gear teeth capacity: 50-54T.
