Originally Posted by
Doug64
I haven't been able to get more than 3 years out af a helmet for a long time. I've had to replace 4 helmets in the last 10-12 years, the latest just last week. None of the replacements had to do with age of the helmet. Two were replaced because of crashes, and 2-3 just wore out or were abused (dropped or damaged when shipping my gear on tours). As an emergency room doc was cleaning gravel out of my ear, cleaning various patches of road rash, and sewing up my arm and knee, he asked me if I planned on replacing my helmet
I can tell you from personal experiences that bike helmets do work as designed.
Just cause they work well doesn't mean you have to test them out just for s#!ts and giggles

. Glad they're working for you though.