The Shimano EW-JC304 SD300 4-Port Junction is a vital component for enhancing your electronic shifting system. Designed to connect up to four EW-SD300 E-Tube wires, it ensures seamless integration for Shimano Di2 and STEPS systems.
Compact and Lightweight Design: With its small and lightweight profile, the EW-JC304 is easy to conceal within your bike’s frame, maintaining a clean and aerodynamic look. Its compact design makes it ideal for modern internal cable routing setups.
Advanced Compatibility: Updated to work with Shimano’s new SD300 E-Tube wires, this junction box is fully compatible with Shimano’s latest electronic shifting and motor systems. It supports a wide range of configurations for both road and MTB applications.
Durable and Reliable Connections: Built to withstand various riding conditions, the EW-JC304 ensures secure and water-resistant connections. Its robust design guarantees reliable performance, no matter the terrain or weather.
Designed for internal routing, the EW-JC304 minimizes cable clutter and optimizes the aesthetics of your bike.
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The Shimano EW-JC304 SD300 4-Port Junction is a vital component for enhancing your electronic shifting system. Designed to connect up to four EW-SD300 E-Tube wires, it ensures seamless integration for Shimano Di2 and STEPS systems.
Compact and Lightweight Design: With its small and lightweight profile, the EW-JC304 is easy to conceal within your bike’s frame, maintaining a clean and aerodynamic look. Its compact design makes it ideal for modern internal cable routing setups.
Advanced Compatibility: Updated to work with Shimano’s new SD300 E-Tube wires, this junction box is fully compatible with Shimano’s latest electronic shifting and motor systems. It supports a wide range of configurations for both road and MTB applications.
Durable and Reliable Connections: Built to withstand various riding conditions, the EW-JC304 ensures secure and water-resistant connections. Its robust design guarantees reliable performance, no matter the terrain or weather.
Designed for internal routing, the EW-JC304 minimizes cable clutter and optimizes the aesthetics of your bike.