Originally Posted by
radshark
Is the frame design novel? No one has made a bike frame similar to the "LONGBOW FLEX™ STAY SUSPENSION" out of any material in the past several decades?
They're called 'hellenic stays'. I don't think they're common but I've come across them...somewhere. I can't remember.
Google says a frame builder named Hetchins was perhaps the first. But again, like GT, they were intended to increase rigidity in those days of lightweight steel tubing.