Pretty cool idea and concept, especially for cost-saving. I could identify of course the battery and could that be a simple Red ESC from HK as well? looks like an all HK and a pretty simple build. Maybe we should try to copy it and open-source it so we can improve on the design some more?
http://www.semcon.com/en/Stories/Case-stories/Case-studies-All/Smart-engine-turns-any-bike-electric/
[youtube]0eEpOxUdYQ0[/youtube]
[youtube]ERHgthVrNJc[/youtube]
http://www.semcon.com/en/Stories/Case-stories/Case-studies-All/Smart-engine-turns-any-bike-electric/
[youtube]0eEpOxUdYQ0[/youtube]
[youtube]ERHgthVrNJc[/youtube]