Campagnolo Record EPS 11 Rear Deraillurs

Comprised mainly of a mechanical structure, the movement of the dera illeur is via an electronically:
actuated worm gear and motor with reso lver & sensor
The parallelogram has been made more rigid and optimized to accommodate the electronics
A resolver reads the movement of the derailleur and optimizes its position, and a play recovery system that maintains stability over time and many kilometers
Mechanical limit adjustment screws and end stop are included, just like a normal derailleur
Can be shifted over the entire range of 11 cogs in 1.5 seconds