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ACAVJW4H
on Nov 20, 2020
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Spring-powered wheel claims to be ‘E-bike alternat...
Tom stanton a great youtuber builds and tests prototypes like these. Here he tried electrical regen
https://www.youtube.com/watch?v=-suxSqrP_X4
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https://www.youtube.com/watch?v=-suxSqrP_X4