Quote Originally Posted by LilBolt View Post
A guy at work uses a downtube light on his bike. It really isn't very visible coming up from behind him, but does put off a nice glow from the side.
I agree. I have the downlow glow, plus 2 rear blinkies, a front headlamp and a front blinkie. (And I'd really like a helmet light, front and rear.) The downlow glow is REALLY bright from the side. That's why I like it, because blinkies can't be seen very well from the side.