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