In conjunction with the EPS Power Unit, the Interface is the "thinking" center of EPS and is responsible for on board diagnostics, managing settings, converting analog signal from Ergo Levers to digital and sending it on to the Power Unit maintaining a dialogue with the Power Unit.

• Can be fit to the right-hand side (only on the right-hand side) of compatible handlebars or on the down tube of compatible frames
• 2 connectors on the rear side - one to connect to the power unit (gray), and one to connect to the Ergopower controls (orange)