Lezyne's lights come with a typical rubber ladder-strap, but you can detach that and get a
. I've got one. It's fine. This means the light is upside-down, which is OK because most of Lezyne's lights don't have a shaped beam. Most of Cateye's lights mount using a slide-on rail, and they make an
too. I wouldn't be surprised if there are others.
There are lights with shaped beams such that the light really should be rightside up, though they're not common in the USA. And a few of these let you hang them from GoPro mounts too.