LEDs are bright... but they don't put out light at a distance. meaning I think these lights would be better to draw attention to you from others, rather than you as the rider using them to see at a farther distance ahead of you.
Though... I could be wrong. As I have not personally used LED driving lights myself.
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new LED technology can emit light at long distance, but incandescent ( tungsten ) lights will illuminate more, of course, at higher wattage. If you really need more light and have the extra amps, go for the classic hot light. Or put some HID's replacement bulbs and turn the signal into running lights to be seen.
Twisted Throttle doesn't seem to have it listed yet... They're single 0.75 amp 10 watt LED putting out 800 lumens in a square 2" by 2" die-cast aluminum housing, with a choice of Euro (XIL-S1100), Flood (XIL-S1101) or Spot (XIL-S1102) beam. http://www.visionxusa.com/led/s1100/