Zoom	Shimano Ultergra Di2 Front Derailleur £189.99 (Inc. 20% VAT) Qty:

The front derailleur's operation is pioneering. Smooth shifting is guaranteed thanks to a microchip communication link with the gear levers.

Fast, precise and smooth electronic shifting – even under load
Automatic trim function
Weight: 162g
What's more, shifting the rear derailleur automatically trims the front derailleur. This ensures that the chain never rubs. Its rigid construction guarantees swift, silent, smooth shifting even under the most demanding of conditions.