I bought it on Buycycle.com from a private seller for 70€. Just ordered a second one. The blue one I got is the lightcable from nanobike. The black one on the left is the one from buycycle with the SRAM adapter attached.
EDIT: Got confused about the whole talk with the z 405 light cable. Just...
Hi there,
I just randomly purchased a cable to convert it to the z 405. Just realized after cutting, that it was already the right connector. Also the wiring seems correct. So they’re already out there.