Originally Posted by
LesterOfPuppets
My theory is that back in the '70s, someone wanted a flared drop bar, took a bar that was clamped by a vise in the middle of the bar and just started prying the drops outward, thus giving the tops the upward bend.
Rando bars date back at least to the 1930s, but I've wondered if that's how the style originated as well. That flare sure is comfy in the drops.