Shimano XTR SC-M9051 Di2 Digital Display Unit Junction Box with 3 E-Tube Ports and Charging Port. The Di2 System Information Display Unit serves as a display charging port and wireless communication connector for E-TUBE compatible DI2 systems.

Handlebar Mount

E-TUBE settings can be managed with smart phone/tablet

D-Fly compatible

ANT+ and Bluetooth LE Technology

Compatible with Shimano charger SM-BCR2