Originally Posted by
veganbikes
I do love my Garmin Varia eRTL615. I was initially looking at it for just the radar and add another rear light but the light on it is so excellent I don't think I will. I will admit currently for most of my riding in the city the actual radar beeping is a little less useful but the light pattern at the back which changes when a car comes near really is quite nice.
Yeah, in an urban setting with lots of cars, the alerts are almost useless since you have to always ride as if there are cars approaching from behind. But the variable flashing (which the Trek unit apparently lacks) is a good safety feature.