The Shimano EW-EC300 Charging Cable is compatible with new Shimano 12-speed road Di2 systems. This cable will also recharge the Dura-Ace R9200 and Ultegra R8100 power meter cranksets.
If you don't see exactly what you need or have questions about any product, contact us and we'll do our best to answer your questions and help you find what you need.