Shimano

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

$30.99
  • Shimano SM-JC40 Di2 External Frame Junction Box 4-Port
Shimano SM-JC40 Di2 External Frame Junction Box 4-Port Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

Shimano

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

$30.99

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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