Shimano Ultegra Di2 Junction Box

Item # SH-SD50JB
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Shimano Ultegra Di2 Junction Box
As an improvement over the Dura-Ace Di2 setup, the Ultegra Di2 group uses a junction box to simplify the wiring, giving you a cleaner look with easier setup. The junction box mounts under your bottom bracket shell (for external wiring) and connects the wires coming from the derailleurs, levers and battery.
  • Junction box mounts under your bottom bracket shell
  • Provides a secure, waterproof connection for your wiring
  • Compatible with externally-wired Ultegra Di2 setups
  • Not compatible with Dura-Ace Di2
Shimano Ultegra Di2 Junction Box
  • WEIGHT
  • MATERIAL
  • COMPATIBILITY Shimano Ultegra Di2 system
  • MAX. CHAINRING
  • CAPACITY
  • CLAMP DIAMETER
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Shimano Ultegra Di2 Junction Box

Shimano Ultegra Di2 Junction Box

Item No. »  SH-SD50JB

$18.99
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