Shimano Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2
Shimano Electric Junction Box EW-RS910 for Di2 - Junction A for internal mounting
The junction box EW-RS910 by Shimano is a Di2 connection point, also called junction A, which is installed internally. You can choose between the handlebar tube and the frame or down tube as mounting positions. The junction has two E-Tube connections and one charging connection. It determines data such as the current gear position and the battery charge level. The firmware can be updated via the E-Tube platform.
Information regarding the return of batteries and electrical equipment:
Information on the return and disposal of batteries and electrical equipment can be found here.Technical Information:
- Type:
- internal
- Mount:
- frame or handlebar (inner-ø 20.5-21.5 mm, outer-ø 23.8-24.2 mm; min. 40 mm insertion depth)
- Number of E-Tube Ports:
- 2 (EW-SD50)
- Number of Charging Ports:
- 1
- Functions:
- current gear, Di2 battery status, adjust mode display, E-Tube connection, Synchro Shift
Compatibility:
- Dura-Ace Di2 R9150
- Ultegra Di2 R8050
- GRX Di2 RX815
Features:
- E-Tube project ensures firmware updates
Manufacturer Number:
I-EWRS910Contents:
- 1 x Shimano Di2 EW-RS910 junction box
Weight:
- black/internal: 11 g
- 100 day return period
- Online since 1998