Campagnolo Athena EPS 11 Speed Braze-on Front

In particular, the EPS derailleur interacts with the mechanical crank set and enhances the elevated derailleur speed and precision made possible with X.P.S.S. technology. The 8 special upward zones and 2 downward zones for the chainrings associated to the speed and precision of the new EPS derailleur guarantee top performance. The derailleur is composed of a mechanical structure with dropout and a series of electronic parts. The outer Derailleur Rod held in place by a double-finned pin that pas