Join Date: Sep 2005
Bikes: Windsor Fens, Giant Seek 0 (2014, Alfine 8 + discs)
Mentioned: 6 Post(s)
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Looks entirely useless, distracting and dangerous. Only useful as a "be seen" light, completely useless for a "to see" light, and way too glaring.
Also, it's hard to tell from the photo but if those are blue LEDs, they're also illegal in most if not all states and most countries.
If it runs off a watch battery, it must have a run time of no more than an hour, and that's if they're using PWM. Very ecologically unsound.
Work: the 8 hours that separates bike rides.