Shimano EW-JC302 SD300 2-Ports JunctionStaying ConnectedIf you're looking to upgrade your ride with a Shimano Di2 drivetrain, then you'll need some junctions to connect your components. The Shimano EW-JC302 SD300 2-Ports Junction is designed to connect two EW-SD300 E-Tube wires to each other. Features2-Port junction for your wiresDesigned for EW-SD300 wiresNumber of ports: 2 ports | Shimano | EW-JC302 SD300 2 Port Junction 2 PORTS JUNCTION