Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

SKU:
SHI CY6760
|
UPC:
689228827448
Availability:
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$34.32
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Description
Shimano Di2 Frame Junction Box

Features

  • Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • Mounts underneath the bottom bracket shell
Additional Information
Type:
Electronic Shifter Parts, Shimano