Shimano Ultegra FD-R8150 DI2 Front Derailleur

More compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances.

Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with the fastest, most seamless action on the market.

• 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