Shimano SM-EW90-B Di2 E-Tube Electric Wire
88.10 50.50 discount
In stock (only 2)
- Delivery in 2-3 working days
- Free tracked delivery
- Trustpilot review 9.3 out of 47.765 reviews
The Shimano bar junction box SM-EW90-B Di2 E-tube comes with 5 connector ports to plug any additional timetrial shifters into. They're also required if you want to use climb- or sprint shifters.