Shimano SM-EW90-B 5 Port Di2 Junction Box
Shimano SM-EW90-B 5 Port Di2 Junction Box
$90.97
RRP $117.78Save 23%
In Stock
Code: SMEW90B
Shimano SM-EW90-B 5 port TT Handlebar spec Di2 Junction box
  • The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts
  • This junction A is required to connect the shifters via E-tube wires to the down tube junction wire
  • 5-port design, to allow use of TT shifters
  • Battery level indicator feature
  • E-tube EW-SD50 wires not included
  • Additional charging point when using internal battery
  • Gear index setup switch to allow fine tuning via shifter buttons
  • Reliable and secure water resistant connectors
  • Stem mounting strap included
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Great Shimano product. I think the 5 port is better for future upgrade when compared to the 3 port.
Great product. Purchased for installation in a 2016 Trek Madone 9 series, which uses a 5 port inside the frame rather than a using a 3 port and an additional junction box near the BB.
Excellent product by Shimano and the easiest way to connect up your Di2 on your TT/Tri setup or for those adding clip on aero bars to their Roadie. Highly Recommended. Support and Service from Merlin on Di2 components is excellent.
Opted for the 5 port junction box to fit TT bar shifters and bull horn shifters. Works like a charm with the rest of my Di2 setup, with effortless accurate shifting. Item arrived quickly and at a great price too. Highly recommended.
Easy to install and connect to E-tubes. Configuration is simple.