DIY electric bikes made easy with Rubbee [w/video] Hey, it may not be the coolest looking thing in the world, but the newfangled Rubbee electric-bike kit will get you across town without pedaling ...

If you’re [James Bruton], you design and build a mini electric bike. Being a prolific builder, [James] already had the parts he needed. Some of them were left over from previous projects ...

[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 ...

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 ...