The electric cables included are dual core wires and the connectors are smaller with a diameter of 5.1mm (-3.7mm compared to DURA-ACE Di2). Setting up the wires with the shifters and junction box is as easy as plugging them in and riding your bike.
• Newly developed thin electronic cable and port
• Electric wire EW-SD50 length 350mm for the NEW Dura Ace Di2 9070, Alfine Di2, Ultegra Di2 6770 and XTR Di2 M9050 system.
• Two core wires
• Length: 350mm
• Not compatible with Dura Ace Di2 7970 (four cores)