The E-tube Di2 PC interface is required for quick and easy problem solving via your PC. The PC interface simply plugs into any part of the electrical system and can test each component diagnosing the cause of any problems on your PC.
Can be used to carry out firmware updates via the E-tube software on your PC
Can be linked to the E-tube software to change shifting settings like shift speed and multi-shift options
Compatible with all second generation Di2 systems using E-Tube wiring (Not compatible with Dura-Ace 7970)
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