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