Grin Freegen regen on geared hub

I'm not a hub motor user nor do I plan on being one anytime soon... but I can appreciate the clever and simple solution.
Same here. I do in fact use hub motors as the front motor on 2wd bikes that I ride daily in steep hills, but my personal interest would only be if I killed one of my two existing non-fat front motors and had to do a replacement. Beyond that this is just a really neat innovation to an otherwise entirely stale piece of technology. The sort of thing I would expect ev ery hub motor manufacturer to try and imitate... which given the involvement of Mainland China, I think that means the patent on this isn't going to be 100% respected.
 
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