The Shimano 4 Port Junction EW-JC304 is used inside the bicycle frame to connect four EW-SD300 E-Tube wires to each other.
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Our complete inventory is available at our warehouse store located just of I-205 one exit south of PDX airport.
5741 NE 87th Ave(I-205 exit 23B)Portland, OR 97220
Mon-Sat: 9am - 5pmSunday: Closed
Customer Service HoursMon-Sat: 8am - 5pm PT
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