Originally Posted by
dcbrewer
I have Busch and Mueller lights on both of my main bikes, and I think they are somewhat shaped. I have fiddled with the angle a bit to try to keep the beam from hitting other riders directly, but it is hard to tell exactly what they are seeing since the light is only on when the front wheel is turning. I probably just need to get someone to stand outside while I ride past them and tell me how bright the light seems to be.
One way to check this is to ride parallel to a wall or railing and look at where your beam hits ahead of you.
Luxos U beam pattern by
joshua_putnam, on Flickr