UK-based Rubbee is looking to raise funds via Kickstarter to expand production for a roller-like contraption that may be attached to any bike and kick its electric-only speed up to as fast as 16 ...

[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 ...

Looking to demonstrate the capabilities of one of these rebuilt alternators, [DIY King] bolted one to the back of a old bicycle and got some impressive, and frankly a bit terrifying, results.

But what’s really heartening is that there are more than a few electric motorcycles that are not only fast but can also give ... a lot going for this electric bike. It might have the lowest ...