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Code: SMJC40
SM-JC40 6870 Ultegra Di2 and Dura Ace 9000 Junction for external wire routing
  • SM-JC40 cable junction for external wire routing
  • Junction is required for connection of rear mech, front mech, battery, and cable to battery indicator junction box
  • To be mounted on bottom bracket cable guide threaded fitment
  • Cables sold separately
  • Reliable and secure water resistant connectors
  • For use with Dura Ace 9070 and Ultegra 6770 plus the new Ultegra 6870 Di2 groupset