SHIMANO Di2 Ultegra FD-R8150 front derailleur 12S

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 our fastest, most seamless action.

• Our fastest ever front shifting, 45% faster than FD-R9150
• Smaller, sleeker, lighter
• Frontal area reduced by 33%
• Top gear teeth capacity: 50-54T