Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur Bikesportz 614 inch (41 mm) seat

614 inch (41 mm) seat rail grip length

151g (400mm)

You can never compensate for training and over consumption won’t help you

sealed bearing cartridge axle

Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur Bikesportz 614 inch (41 mm) seatMore 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