Shimano

ISMEW90A

Di2 Cockpit Junction Box

$140.00
Shipping calculated at checkout.
Option 1

Pickup available at Sierra Bicycle Supply

Usually ready in 2-4 days

Option 1

Shimano Di2 Junction Box


  • 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
  • OEM front wiring kit for Dura-Ace Di2 9070
  • LED battery charge level indicator
  • Rear Derailleur adjustment mode
  • Internal Battery charging port
  • Includes Junction Box Band (CY9082) and Junction Box Hook (Mounting Plate, CY9081)