More compact and faster than ever, the 12-speed Shimano Ultegra FD-R8150 Di2 front derailleur performs digitally precise front shifts under any circumstances, making for a fast and seamless ride.
Features
Combines the Di2 platform and the road incarnation of HYPERGLIDE+
Offers 45% faster shifting than the Dura-Ace FD-R9150 Di2 front derailleur
Smaller, sleeker and lighter than previous models: frontal area reduced by 33% and weight cut to 116 g