Junction Box Shimano EW-RS910 Di2 Built-In 2-Port

Junction Box Shimano EW-RS910 Di2 Built-In 2-Port

The Shimano EW-RS910 is a compact Junction-A unit designed for Di2 electronic shifting systems, providing convenient access to charging, system setup, and control functions. It can be installed inside the handlebar end or frame for a clean and integrated appearance.

Featuring 2 E-Tube ports and an integrated charging port, this unit allows battery charging, shifting mode adjustments, and battery level monitoring. It also displays gear position and enables system configuration via Shimano’s E-Tube Project software.

With its lightweight and compact design, the EW-RS910 is ideal for road bikes where both performance and aesthetics matter. Shimano’s build quality ensures reliable operation and long service life.

• Model: EW-RS910
• Type: Built-in
• Installation: handlebar end / frame
• E-Tube ports: 2
• Charging port: 1
• Compatible wire: EW-SD50
• Functions: battery level, gear position, adjustment
• Firmware update: E-Tube Project
• Compatibility: Dura-Ace Di2, Ultegra Di2
• Weight: approx. 11 g

The Shimano EW-RS910 provides easy access and control of your Di2 system in a sleek and integrated form.