SHIMANO Di2 SM-EW90-A Junction Distributor box (3 Port, EW-SD50)

The Shimano Di2 SM-EW90-A Junction serves as an interface between cockpit and Junction B. Three ports allow for a classic connection to Di2 STI shift/brake levers.
For triathlon bikes, we recommend you to use an SM-EW90-B Junction with five ports.

• Three E-Tube ports
• Compatible cable unit: EW-SD50
• Position: under stem
• Charging port for internal battery & firmware updates

In the box:
Shimano SM-EW90-A Junction incl. mounting strap and clip

Compatibility:
All Shimano Di2 systems except Dura Ace 7970. Ultegra 6770 systems may also be used after removal of the SM-EW67-A-E unit (two additional EW-SD50 cable units for connection to the STI required).

without original packaging 



Manufacturer: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com
Responsible person: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, Netherlands, www.shimano.com