5 Wild DIY Bicycle Mods—and How to Build Them

The cycling industry may be seeing commuter bikes fly off shelves, but these real-life modders might just fly off the street with their backyard contraptions. From jet engines to flotation devices, these bikes are the fastest life on two wheels without a motorcycle license. Each inventor, gonzo (and occasionally aliased) in their own right, shared their secrets for your own weekend project, but try this at home only after taking serious precautions. more here