Just posted an old project, how to build a tandem bicycle cheaply with two bicycles and a welder. You could build this without a welder if you’re tricky, it would just need a few hose clamps to hold the rear frame from swaying!
Just posted an old project, how to build a tandem bicycle cheaply with two bicycles and a welder. You could build this without a welder if you’re tricky, it would just need a few hose clamps to hold the rear frame from swaying!