https://www.bikeradar.com/road/news/article/ceramicspeed-driven-drive-shaft-52587/
99% efficient at 250W? So this saves you 2.5W over Dura Ace? Not worth
How can you make that claim given you have no idea of cost etc.
I assumed the value of the project currently is in marketing (and some r&d).
@frankenbike started
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https://www.bikeradar.com/road/news/article/ceramicspeed-driven-drive-shaft-52587/