Shimano EW-JC130-SM Junction-B for Dura Ace / Ultegra Di2
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Shimano Di2 Electric Wire Y-split routing cable for Di2 systems. It connects the wireless units (EW-WU101/EW-WU111) to the STI Dual Control.
E-tube Connectors: 3
Cable can be shortened: No
Master unit: No
E-tube port (pcs):0