Originally Posted by
mpath
Not sure about this on a roadbike, but looks cool for hipsters and commuters:
www.revolights.com
Maybe one of you can link the video as I don't know how.

Pretty cool alternative/addition to standard blinkies on a commuter bike. Definitely not a light to see by, but to be seen.
Not a hipster thing though. I thought lights of any kind were decidedly un-hip