Shimano Non-Series Di2 SM-PCE02 PC Interface Complete Kit For E-Tube SD50/SD300
Contains all connecters and tools for both SD50 and SD300 systems, SM-PCE02, micro USB cable, PC link cable for SD300, PC link cable for SD50, setting cable EW-SD300, EW-SD50, EW-JC304, SM-JC41, TL-EW300, TL-EW02.