Shimano E-Tube Di2 wire is for use in all current Shimano Di2 groups (Dura Ace(9070)and Ultegra (6770 and 6870)). This system is smaller, lighter and more watertight making it easier to run through the inside of a frame. Four wires will be needed for any install. One for front wiring harness to junction box, one each for front and rear derailleur to junction box and one for battery mount to junction box. Thirteen sizes are available to fit any application.
Small plugs for easy routing
13 sizes available
Compatible with Di2 6770, 6870 and 9070
Not compatible with Dura-Ace Di2 7970