I have a Cateye Optiflex headlight. It mounts and removes very quickly and easily. The PlanetBike Blaze headlight also mounts and removes quickly and easily. The Blaze is much brighter and the blink pattern is that same as the SuperFlash taillight. When I got my Catey a couple of years ago it also came with a red lens cover so it could be used as a taillight. I don't know if that is the case now.