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Shimano EW-JC304 Di2 E-Tube Junction Box
₹2,340
Available at bumsonthesaddle.com
Expert Pros
- +Internal 4-port junction for Di2 systems
- +Connects multiple Di2 components
- +Requires same firmware version for all components
Expert Cons
- −Requires compatible E-tube SD-300 wires
The Shimano EW-JC304 Di2 E-Tube Junction Box is an internal 4-port junction for Di2 electronic shifting systems. It connects via SD-300 E-tube wires to various components like derailleurs, shifters, and the battery. Ensuring all Di2 components have the same firmware version is crucial for proper function.
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Shimano EW-JC304 Di2 E-Tube Junction Box
₹2,340