Shimano SM-EW67 Ultegra Front Wire Harness Junction Box

ISMEW67AE

Regular price $74.99 Save $-74.99
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Features:

  • Requires SD50 E-tube wire to connect to frame junction box
  • SM-EW67A-E Cockpit Junction Box connects to STI levers with built-in E-tube wires
  • OEM front wiring kit for Ultegra Di2 6770
  • Not compatible with Internal Battery (BTR2), due to lack of charging port
  • LED battery charge level indicator
  • Rear Derailleur adjustment mode
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions

This is a Shimano Ultegra Di2 Front Wire Harness. This connects your front controls to a single wire to travel through the frame or externally to the junction box near the bottom bracket. This also gives you a power and programming button, as well as a battery level indicator. It is usually mounted just beneath the stem.