They are the part of the frame that fails, but they’re also at joints, which is where stress collects. I’d be interested to see failure modes for lugged (silver

They are the part of the frame that fails, but they’re also at joints, which is where stress collects. I’d be interested to see failure modes for lugged (silver soldered) frames vs TIG welded vs pressed/glued or other bonded joins of tubed (no monocoque) frames.