Shimano EW-EC300 Charging Cable - For Dura-Ace/Ultegra 12-Speed Di2 Systems 2022 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... Shimano EW-EC300 Charging Cable - For Dura-Ace/Ultegra 12-Speed Di2 Systems 2022 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...