Campagnolo Chorus V2 EPS Interface Unit - IF15-CHEPSCampagnolo Chorus V2 EPS Interface Unit IF15 CHEPS Interface EPS A tiny electronic component that performs an extremely important job. The interface transforms the analogue signals received from the controls into the digital signals transmitted to the EPS Power Unit. That's not all it does. It is also used to sets the initial configuration and adjust drivetrain settings during a race, as well as displaying battery level. A vital component for the