Shimano Battery Case of SM-BTR2 (For Bottle Cage Mount) (w/Junction)

Built-In Type Di2 Battery is the power source for Shimano's 11 speed Di2 derailleurs and shifters. Its thin, sleek profile allows the battery to fit in seatposts or frames for a clean ...

The Di2 System Information Display Unit serves as a display, charging port, and wireless communication connector for E-TUBE-compatible DI2 systems. Features: Handlebar Mount E-TUBE settings can be managed with smartphone/tablet D-Fly compatible ...

enables the use of ANT+ and Bluetooth LE accessories. Features: Connects inline with SD50 Di2 cables Allows for use of ANT+ and Bluetooth LE connections (including Shimano software and E-TUBE Project) Compatible ...