Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur SCV 6 inches in width

6 inches in width

3g (Front Regular Mount w/o pads)

The 1x system works best for gravel

Handlebar diameter: 31

3D EMBRACE technology and 12-teeth pulley wheels makes this rear derailleur suitable for all cassettes as the distance stays optimum on each individual sprocket

Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur SCV 6 inches in widthMore 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