Shimano EW-JC304 Di2 Junction - 4 Port

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Introduced with the Shimano EP800 series, the SD300 E-Tube components form the interface between compatible STePS parts and expand the functional range of future Di2 systems.

Shimano Di2 / E-Tube junction for the connection of 2 EW-SD300 wires. Fixing by plug connection.

Mfr Claimed Weight