[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 ...

The Marinsult is a DIY Ebike project ... a throttle and powerful motor, it can't do jumps! So the ultimate upgrade was adding the best downhill mtb forks to the bike to unlock huge bike park ...

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 ...