Quote:
Originally Posted by molamann
I mean is there a difference between motorcycle and car helmets?
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# What are the key differences between SA and M Rated Helmets:
# SA standard requires flammability test while the M standard does not.
# SA standard has rollbar impact test while M standard does not.
# SA standard allows narrower visual field than M standard (Some SA helmets aren't street legal).
From: soloracer.com