Shimano Unité Sans Fil DI2 Ant+ Bluetooth Black

Shimano DI2 Ant+ Bluetooth Wireless Unit - Black • Discreet: the SHIMANO Di2 ANT+ Bluetooth wireless unit is a small, discreet box enhancing the Di2 electronic drivetrain experience • Connectivity: ANT+/Bluetooth • E-Tube Project: every cyclist will be able to precisely adjust the parameters of the gear change from his phone with the E-Tube Project application (Synchro Shift function). It will also allow you to know the battery level of the system