Originally Posted by
USAZorro
I consider tire-driven lighting to be more conversation piece than acceptable technology. I'd prefer something that wont get bent or damaged by a stick, or a minor mishap, and which won't wear down my tire and increase my risk of blowouts and premature replacement.
I can see using them for occasional, or emergency use, but I'd rather have a quality dyno-hub with lighting elements and patterns that do more than let me see what I'm going to inevitably crash into at the last moment.

Battery-powered is also preferred, so long as it is functional and efficient.
Advantage to tire driven... it are cheap. I use it on couple of bikes for that very reason. Also in a few cases, they don't make a hub dyno that will fit the bike, or at least not easily. Also many of the better utility tires come with a dynamo track on them (thicker section on the sidewall). They have their place. I use battery lights as a source of last resort, but they have gotten better as the years have gone by.
Aaron