If you want to invest, or start free - lancing, get a bike shop running.
They will be a future, i suspect.
https://www.autoevolution.com/news/futuristic-hubless-pedelec-looks-a-bit-wrong-but-in-a-perfect-way-106092.html#agal_2
If you want to invest, or start free - lancing, get a bike shop running.
They will be a future, i suspect.
https://www.autoevolution.com/news/futuristic-hubless-pedelec-looks-a-bit-wrong-but-in-a-perfect-way-106092.html#agal_2