Originally Posted by ItsJustMe

Here are some full daylight tests of some lights on the Fly6 test that I posted a while back.

https://youtu.be/CSo39h_xzFc?t=6m22s

The FIRST light that I think is visible at all in the daylight is the 60 lumen one. Anything less than that (I think probably anything with a Dynohub is probably not putting out 60 lumens to the taillight?) are NOT daylight visible.

Even 60 is marginal IMO.

It's a lot of money, but so is getting hit. At this point having experienced the DS500, if I lost it, I'd immediately buy another.