The PC interface for electronic Shimano Alfine, Dura Ace and Ultegra Di2 can be used to connect a PC to the bicycle (system or unit), and an E-tube Project can be used to carry out tasks such as problem diagnosis of single units and the whole system, updating firmware*, and customizing.
Compatible with Dura Ace Di2 9070, Ultegra Di2 6770/6870, Alfine Di2.
compatible with Dura Ace Di2 7970).
For use the Shimano SM-PCR1 software is required. You can download it here
+ Windows XP (from SP3), Windows Vista, Windows 7
+ .NET Framework 3.5
+ USB 1.1/2.0, active internet connection, min resolution: 1024x768