Shimano EW-JC130SS Di2 E-Tube Wire Y-Split 350/50/250mm MFPN=00.4118.459.004 }Wheels Manufacturing Derailleur Hanger -

}Wheels Manufacturing Derailleur Hanger - 303

Sidecut: 44-42-43

That’s a lot of bosses

Cleat Compatibility Keo Primary Color Black Float 0°

Shimano EW-JC130SS Di2 E-Tube Wire Y-Split 350/50/250mm MFPN=00.4118.459.004 }Wheels Manufacturing Derailleur Hanger -Shimano E Tube wires and connectorsFrame grommets for E tube internal wiring compatible frames are sold separately see Shimano Frame Grommet Kit Electronic Shifter Extra Parts Ultegra Di2 wires utilize Shimano's 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