It's possible to weld an aluminum frame but you'll have to heat treat it, at which point it's no longer a simple and cheap operation. https://www.pinkbike.com/

It's possible to weld an aluminum frame but you'll have to heat treat it, at which point it's no longer a simple and cheap operation. https://www.pinkbike.com/news/To-the-Point-Heat-Treating-Aluminum-Frames.html https://www.pinkbike.com/news/To-the-Point-Heat-Treating-Alu...