Campagnolo Chorus / Athena EPS Under Seatpost Cable Kit - AC13-CAADSPACampagnolo Chorus Athena EPS Under Seatpost Cable Kit The EPS Under Seat Cable Kit from Campagnolo is a cable extension kit for bikes that need the power unit mounting under the saddle. Whether you need a replacement or need the extra length to remount your Athena EPS system under the Seat this is the cable set for the job. Allows the mounting of the DTI Athena battery in the alternate under the seat location Cable lengths: 52" (Red approx.) 22"