If you’re [James Bruton], you design and build a mini electric bike. Being a prolific builder ... a 24 volt LiPo battery, an SK8 electronic speed controller, and a twist grip for the handlebars.

Hey, it may not be the coolest looking thing in the world, but the newfangled Rubbee electric ... 14.4-volt battery pack. The doohickey presses the roller against the back tire of the bike ...

[Tom Stanton] wanted to see if supercaps have any practical use on e-bikes, and built a DIY electric motor in the ... the motor up to a conventional battery, he did find that it was quite usable ...

It's tough to fit ICE powerplants into small machines due to the engines' size, weight, and cost, but you need to try not to go over the top if you do an electric build. And at the Garage Avenger ...