On Thu, 07 Apr 2005 13:50:23 +0200, Derk <
[email protected]>
wrote:
>I have had a Giro helios helmet for 5 years. I used it nearly every day, but
>it doesn't have a scratch yet.
>
>Is it really necessary to replace a helmet after 5 years or is it just a
>story to sell more helmets?
If the foam seems sound, I'd keep using it. Neither of my helmets is
newer than that, and I'm not worried. As for why they recommend the 5
year replacement cycle, I suspect that this is the life expectancy of
a helmet in daily use in the environment that is likely to degrade it
most quickly. If that's the case, then they'll tell everyone to
replace their helmet at 5 years so that the worst-case helmets will
not stay in service.
When inspecting the helmet, look at the material in the slots. If
grainy sand-like particles are forming on the surface of the foam
there, and particularly if they're able to be rubbed loose easily,
then it might be time to think about replacing the helmet; that grainy
powder is a sign that the plastic is starting to degrade.
--
Typoes are a feature, not a bug.
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