Originally Posted by
jadocs
On a bright sunny day position your bike 50-100yds away from you, then make a decision if it too bright.
Yes, good idea. However, I believe that, on steady beam and highest power, it only runs for a couple hours -- and I would like to ride as long as 5-6 hours without worrying about it. I suppose for such rides, I might better choose a flashing mode, since that gives longer life.