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Road    Di2 Wire Kits, Batteries & Accessories

Shimano E-Tube SM-EW90B Cockpit Junction Box 5-Port

SM-EW90-B 5-Port Cockpit Junction Box connects up to 2 pairs of Di2 shifters to the frame junction box via 5 SD50 E-tube wires. This allows for multiple shifting options including climbing, sprint or TT/Tri.

Features

  • OEM front wiring kit for Dura-Ace Di2 9070 and Ultegra 6870
  • LED battery charge level indicator
  • Rear derailleur adjustment mode
  • Internal battery charging port

All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions. Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/

$139.95
Item #: 110670
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Item is in stock