Shimano E-TUBE Y-connector cable (junction B function) for Di2 road systems, in the longer MM length for bigger frames or wider bars.

• Model: Shimano EW-JC130-MM
• 3 E-TUBE (SD50) connectors
• Cable lengths: 550 mm / 550 mm / 50 mm
• Required when using the EW-RS910 bar-end junction
• Internal or external routing; cannot be shortened
• Compatible with Dura-Ace R9150, Ultegra R8050 and GRX RX815 Di2