[Tom Stanton] wanted to see if supercaps have any practical use on e-bikes, and built a DIY electric motor in the process. One of the problems with supercaps is the rapid voltage drop during ...

Fiido X <a href="https://www.fiido.com/products/fiido-x-folding-electric-bike#011-1">https://www.fiido.com/products/fiido-x-folding-electric-bike#011-1</a> Fiido ...

To test out his handiwork, [DIY King] took to the streets and was able to get the bike up to 70 km/h (43 MPH) before his courage ran out. He thinks the motor should be able to push it up to 85 km ...