Originally Posted by alan s

The beam is less focused than a flashlight. Most of the light goes out in an even cone (no hot spots) with just enough spread from the main beam for off-center lighting. Too much spread, and you'll start getting complaints from others. 95% of the light goes right where you need it - on the trail. I use it mostly as a helmet light, but it's just as good on the bars. Definitely recommend the the 250, unless you are running two lights, and even then, the extra power is nice to have.