Shimano Ultegra FD-R8150 Di2 12-Speed Front Derailleur
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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%
Weight cut to 116 g
Top gear teeth capacity: 50-54T
Mfr Claimed Weight