Shimano

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

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  • Shimano SM-JC40 Di2 External Frame Junction Box 4-Port-The Electric Spokes Company
Shimano SM-JC40 Di2 External Frame Junction Box 4-Port-The Electric Spokes Company Shimano SM-JC40 Di2 External Frame Junction Box 4-Port-The Electric Spokes Company

Shimano

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

Sold out

Description

 

Shimano Di2 Frame Junction Box

  • 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
  • Mounts underneath the bottom bracket shell