New internal interface for Super Record EPS groupsets. Can be mounted either on the right-hand end of the handlebar or inside the down tube on specifically designed frames. Communication between Ergopower control levers, the front and rear derailleur components. The V4 version receives the electronic impulses and sends them to the front and rear derailleurs. Two internal aerials, with Bluetooth Low Energy and ANT +, can also communicate in real time with a vast range of external devices, like phones and bike computers.