A new kind of wheelie
This photo has an unusual backstory. The uncle of the original poster had been telling a tale about an accident that occurred when he was a youngster for as long as I could remember. His bike’s wheel came off while his friend attempted a wheelie–and he managed to snap the shot just in time.
So, the original poster didn’t believe his uncle’s tale until he was given undeniable proof in the form of this mythical photo. It appears that he took a photograph just as the wheel came off of the bike before the inevitable fall that would follow. That’s a great way to convey “I told you so.”