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Shimano Di2 Junction-B Box | Extenal & Internal
  • Shimano Di2 Junction-B Box | Extenal & Internal
  • Shimano Di2 Junction-B Box | Extenal & Internal

Shimano Di2 Junction-B Box | Extenal & Internal

Item #: SHM12064 Usually ships in 2-3 business days
Price: $30.99
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Shimano E-Tube Di2 EW-SD50 Wire
Shimano E-Tube Di2 EW-SD50 Wire Price: $5.00
product description
This Shimano Di2 Junction-B Box is required for all parts of the Shimano Di2 System. It enables Di2 compatible components to communicate with each other.

Tech Specs:
  • The Frame Junction Box connects via SD50 E-Tube wires to four different points: Front derailleur, rear deailleur, cockpit junction box, and battery mount
  • How to measure a frame for SD50 E-Tube wires - Click Here
Type Box:
  • EXT = External (4-Port) Junction Box attaches to the outside of the bottom bracket shell
  • INT = Internal (4-Port) Junction Box is meant to be hidden inside the frame
Note: All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions.

Shipping Weight: 1.0 lbs.

Shimano Di2 Junction-B Box | Extenal & Internal
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