Shimano EW-JC130SS Di2 E-Tube Wire Y-Split 50/520/520mm

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Shimano EW-JC130SS Di2 E-Tube Wire Y-Split 50/520/520mm. Shimano E-Tube wires and connectors

Frame grommets for E-tube internal-wiring compatible frames are sold separately see Shimano Frame Grommet Kit Electronic Shifter Extra Parts

Ultegra Di2 wires utilize Shimanos e-tube technology; e-tube is a two-prong system and is NOT cross compatible with Dura-Ace 7970 Di2 wiring

All e-tube wires may be used for internal or external applications