Shimano SM-JC41 Junction Unit For DI2 Internal Cables

Shimano Junction Box SM-JC40 / SM-JC41 for Di2 - With 4 E-Tube connections.


The Shimano junction box SM-JC40 or SM-JC41 for Di2 has four E-Tube connections and is used as the junction B mounted in the bottom bracket area. It can be used for all electronic groupsets from Ultegra Di2 6770 and before Dura-Ace R9250 or Ultegra R8150. SM-JC40 is for external, SM-JC41 for internal cable routing.



TECHNICAL INFORMATION

Number of E-Tube Ports: 4
Number of E-Tube Connections: 0

FEATURES

Junction for the bottom bracket area


COMPATIBILITY

Dura-Ace Di2 9070
Dura-Ace Di2 R9150
Ultegra Di2 6770
Ultegra Di2 6870
Ultegra Di2 R8050
GRX Di2 RX815
Alfine / Nexus Di2
XTR Di2 M9050*
- XT Di2 M8050*

* instead of SM-BTC1 battery mount