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

This is the Shimano EW - JC130SS Di2 E - Tube Wire Y - Split with lengths of 50/520/520mm. It features Shimano's e - tube technology. The frame grommets for E - tube internal - wiring compatible frames are sold separately, check out the Shimano Frame Grommet Kit for extra parts. Note that Ultegra Di2 wires use the e - tube two - prong system and aren't cross - compatible with Dura - Ace 7970 Di2 wiring. All e - tube wires can be used for both internal and external applications.

Using this Shimano EW - JC130SS Di2 E - Tube Wire Y - Split is easy. First, decide if you'll use it for internal or external wiring in your bike. If you choose internal wiring, you'll need to buy the Shimano Frame Grommet Kit separately. When connecting, make sure to match the e - tube two - prong system correctly. Remember, it won't work with Dura - Ace 7970 Di2 wiring. For maintenance, keep the wires clean and dry. Avoid pulling or bending the wires too forcefully, as this could damage them. If you notice any issues, like loose connections or frayed wires, it's best to replace them right away.