Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur MISC 6mm stack height for improved

6mm stack height for improved stability and injury prevention

Cinturato™ SmarTUBE is the cycling inner tube designed for gravel

Rim Diameter: 29"

It has programmed chain guide trim settings and can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes

Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur MISC 6mm stack height for improvedMore compact and faster than ever, the Shimano Ultegra FD R8150 Di2 12 Speed Front Derailleur performs digitally precise front shifts in any circumstance. Combining Shimano's Di2 platform with the road incarnation of Hyperglide+, it shifts between chainrings with Shimano's fastest, most seamless action. Specifications Fastest ever front shifting 45% faster than FD R9150 Smaller, sleeker, lighter Frontal area reduced by 33% Weight cut to 116g Top gear