Awesome video, thanks for posting it. Steel square tube is easy to weld, and cheap steel frames are easy to mod.
Just for reference, here is the easiest way to mount the rear shock (IMHO)
https://endless-sphere.com/forums/viewtopic.php?f=1&t=9673&start=50#p892436
Just for reference, here is the easiest way to mount the rear shock (IMHO)
https://endless-sphere.com/forums/viewtopic.php?f=1&t=9673&start=50#p892436