Shimano Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2

Item number: 53775
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Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2 - black/internal
Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2 - black/internal
Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2 - black/internal
Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2 - black/internal
Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2 - black/internal
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  • Online since 1998
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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-EWRS910

Contents:

  • 1 x Shimano Di2 EW-RS910 junction box


Weight:

  • black/internal: 11 g

Models:

  • black/internal, in stock
    69.24€

Customer Reviews (1)

5

Customer Reviews (1)

5.0/5.0
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Give us your opinion on this product.

by Erik L.  on 22.03.2017
verified purchase
3 of 3 customers found this review helpful.

Very neat and tidy interface for charging and mode change.

Please check if you handlebar can route cable through before buying. Tested on a 3T team egronova but the internal is block at the shifter clamp area.

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