Campagnolo

EPS Super Record Braze-On

Interacts with the crankset to enhance shifting with elevated derailleur speed and precision, coupled with XPSS chainring technology for unparalleled shifting performance
Optimal rigidity between the mechanical and electronic components is guaranteed via a combination of aluminum and polymer, plus a double-finned pin that holds the outer rod in place
Magnetic Hall Sensor technology developed in partnership with a Swiss company that produces motors for Mars rovers is unaffected by vibration and automatically adjusts derailleur trim
Because regulation is fully electronic, there are no limit screws to adjust - Automatic Position Correction has four trim settings
Can be adjusted in a Zero setting or while riding
Completely waterproof - tested for a half-hour immersion in 1 meter of water
Extra stroke allows upshifts while climbing or in extreme crossover situations and is automatically selected by the derailleur's