> Items in Warehouse - Allow 5-7 days > Components > Shifter > Electronic Shifter Parts, Shimano > Junction Box > Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck


EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck (CY9078)


This item is currently unavailable.

  • This manufacturer prefers that we only sell this item in our retail store. Please call our Richardson store to check availability. 972-231-3993
Shimano Di2 Junction Box
  • Use Di2 system checker to update component firmware from
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Includes Junction Box Band (CY9082) and Junction Box Hook (Mounting Plate, CY9081)
  • Internal Battery charging port
  • LED battery charge level indicator
  • OEM front wiring kit for Dura-Ace Di2 9070
  • Rear Derailleur adjustment mode
  • SM-EW90-A 3-Port Cockpit Junction Box connects 1 pair of Di2 shifters to the frame junction box via 3 SD50 E-tube wires
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9040 Garland Rd.
Dallas, TX 75218
1451 W. Campbell Rd.
Richardson, TX 75080
8820 John Hickman Pkwy.
Frisco, TX 75034
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