The Campagnolo Super Record S Wireless front derailleur introduces shifting with Bluetooth technology, with easy instant communication between front derailleur and controls: wireless. Even the tiniest detail has been optimized for maximum functionality and with a user-centric approach. The quick-snap magnetic charging ports, the shiny color of the battery LEDs and super-quick recharging all mean easy trouble-free use and recharging (battery sold separate) Consistently delivers precise, fluid, and reliable shifting in all pedaling conditions Precision of the derailleur motor enables immediate and extremely fluid chain movement on the chainrings, even under maximum power load applied by the cyclist Thanks to the aluminum cage, the Super Record S wireless front derailleur performs shifting functions with maximum stiffness and efficiency Features a removable battery and quick-snap magnetic charging ports for convenience (battery sold separate) Incorporates a position sensor for automatic front derailleur adjustment to the ideal sprocket or chainring position Easy and quick installation enabled by a wireless system and a dedicated mounting tool Constructed with a lightweight, stiff technopolymer body to maximize performance Specifications Double or TripleDoubleDrivetrain Speeds12Front Derailleur ClampBraze-onFront Derailleur Cable PullElectronicMax Ring (teeth)54Weight130Crank-FD TypeRoad DoubleDerailleur Capacity16