

SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On
More compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances.
- Shimano's 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