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Junction Box Shimano SM-EW90B Di2 5-Port
−39%
Orderable
SHIMANO

Junction Box Shimano SM-EW90B Di2 5-Port

External 5-port Di2 junction for cockpit mounting. Enables easy charging, setup and reliable system connectivity.

89,90 €148 €You save 58,10 €
Price includes VAT 24% (delivery: Estonia).
Available to order, delivery to warehouse in 4 working days
Product code: SMEW90B
Free delivery within Estonia
14-day returns
Secure payment
29 years of experience
Advice by phone

Overview

Junction Box Shimano SM-EW90B Di2 5-Port

The Shimano SM-EW90B is an external Junction-A unit designed for Di2 electronic shifting systems. It is typically mounted under the stem in the cockpit area, providing easy access for charging, setup, and system management.

Featuring 5 E-Tube ports, it allows connection of multiple Di2 components and flexible cable routing. The integrated charging port enables convenient battery charging without disconnecting the system.

Compatible with Shimano E-TUBE systems, the SM-EW90B allows firmware updates and system customization. Shimano’s build quality ensures stable and reliable connections for precise electronic shifting performance.

  • Model: SM-EW90-B
  • Type: External
  • Position: under stem
  • E-Tube ports: 5
  • Charging port: 1
  • Compatible wire: EW-SD50
  • Routing: internal / external
  • Compatibility: Dura-Ace, Ultegra Di2

The Shimano SM-EW90B provides easy access and flexible connectivity, making Di2 system management simple and efficient.