http://www.bikeradar.com/commuting/news/article/the-incredible-mando-footloose-im-e-bike-42427/
This e-bike design has no chain. Instead it has a dynomo which uses your pedel power to generate
electricity. I wonder how well this works when the battery is flat....
This e-bike design has no chain. Instead it has a dynomo which uses your pedel power to generate
electricity. I wonder how well this works when the battery is flat....