TA SHIMANO Junction A SM-EW90 A 3 Ports

The TA SHIMANO Junction A SM-EW90 A 3 Ports is a component designed for Shimano DI2 electronic shifting systems. It serves as a central junction point for connecting multiple electronic shift wires on compatible road bicycles. This unit is typically mounted on the handlebar stem and is used for managing signal transmission between shifters, derailleurs, and the battery.

• Compatible with Shimano DI2 electronic shifting systems
• Features 3 E-Tube ports for connecting shift levers and other DI2 components
• Designed for handlebar or stem mounting
• Supports internal cable routing for a clean installation
• Constructed with a compact and lightweight black housing
• Model code: SM-EW90 A
• Enables easy access for system diagnostics and adjustments
• Suitable for road bike applications

This junction box is essential for integrating and managing the wiring of Shimano DI2 systems, ensuring reliable electronic shifting performance.

Available Variants: