https://www.ridewill.com/p/en/shimano-ismew90a-front-junction-box-handlebar-sm-ew90a-dura-ace-and-ultegra-di2/54247/
DriveTrain Drivetrain Spares Electronic shift accessories
Drivetrain Spares Electronic shift accessories
In stock. Delivery in 5 days.
Shipping costs: 5.90
Expected arrived: 09/05/2025
Front junction box handlebar SM-EW90A Dura Ace and Ultegra Di2
- 3-Port Cockpit Junction Box connects 1 pair of Di2 shifters to the frame junction box via 3 SD50 E-tube wires
- Battery charge level indicator
- Rear Derailleur adjustment mode
- Internal Battery charging port
- Includes 2 Junction Box bands (CY9082) and Junction Box hook (CY9081)
- Electric wires SD50 not included
- Not compatible with Flight Deck
- All Di2 components on the bicycle require the same firmware version
- Use Di2 system checker to update component firmware
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