Originally posted by pgipson@Dec 22 2005, 06:32 PM
On helmets, it generally works out to every 10 years or so. Snell 95 helmets are still good this year even though Snell 05 helmets are available. I would expect that 05 helmets will be a requirement next year (along with an SFI approved H&N system?).
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snell95 is only good until the end of 2005. snell00 is the oldest allowed helmet cert for 2006. (for bmwcca cr and scca)

i found that 4yrs was about the max use i got out of a helmet in active racing use. interior got, ah, worn. the chin strap started fraying. the foam definitely compressed a bit as it fit much looser.