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Junction box Shimano SM-EW90-A for Di2 – a compact and elegant central module that is mounted under the handlebar stem and serves to connect the electronic components of the Di2 system. It features three E-Tube ports and a charging connector, providing easy maintenance and firmware updates.
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incl. 20% VAT excluding delivery price.
The Shimano SM-EW90-A Junction Box is an external central module designed for Di2 systems. It mounts under the handlebar clamp and connects the shift levers, battery, and derailleurs through three E-Tube ports. The built-in charging connector allows direct charging and firmware updates via the E-Tube Project system.
The compact and lightweight design contributes to a neat and clean cockpit while providing quick access to all electronic shifting functions. The junction box supports system status display, battery level, and activation of setup mode.
Features:
Mounting: Under the handlebar clamp
Ports: 3 E-Tube ports
Charging connector: Yes
Compatibility: All Di2 systems with EW-SD50 type cables
Weight: approximately 10 g
Manufacturer code: I-SMEW90A
Suitable for:
Cyclists who want a tidy and professional installation of their Di2 system with minimal visible cables and easy component connectivity.