Shimano EW-JC304 4 Port Junction for Di2 EW-SD300 Wires

SHIMANO - E-TUBE - 4-Port Junction

Internal 4-Port Junction for EW-SD300

FEATURES Updated with new electric wire SD300

PRODUCT SPECIFICATIONS MODEL NO EW-JC304 SERIES SHIMANO Type 4 ports junction SD50 port (pcs) 0 SD300 port (pcs) 4 SD50 connector (pcs) 0 SD300 connector (pcs) 0