Originally Posted by tarwheel

I've been using a Light & Motion Urban 500 (now called 550) for the past 2 years with great results. Very easy to install and remove. Light is so bright that I usually run it on medium to extend the battery time. Easy to charge from a computer or electrical outlet, and holds a charge well. L&M makes Urban 200, 300, 550 and 700 models with varying levels of brightness and battery run times.

I also like the Lezyne self-contained lights. They are probably a better option than the L&M series if you need long run times because they use standard 18650 batteries, so you can carry spares.