Can somebody help me clear this? In the 2007 rule said "Helmets: Snell Foundation standards (SA, K, or M) are acceptable". But it did not say what year? Is it standard of 10 years old? So minimum 1997? I have Snell K98 Helmet. I might do some auto-x and some PDX.
I have to read more about convertible with stock roll bars and harness.
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