SHIMANO
Junction Box Shimano SM-EW90B Di2 5-Port
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.
-
Estonia
Free shipping -
Finland
Free shipping -
Latvia
Free shipping -
Lithuania
Free shipping
Shimano is a Japanese component manufacturer that since 1921 has been one of the world’s largest suppliers of bicycle drivetrains, brakes and cycling-specific parts. Shimano groupsets — from Tourney for city bikes to top-tier Dura-Ace — are found on virtually every serious bike brand. The company also makes fishing tackle and rowing components.