See also these related entries on helmets on this blog and please "Like" No Mandatory Helmets at Velo-city Global 2012 in Vancouver on Facebook.
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Also, can someone please provide a good link about how extreme mass, surface area and leverage etc. with helmets causes neck injuries and other problems?
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All things in balance, I suppose... this issue has a great helmet-free photo inside, which the first place winner in the Biking category in the Alliance for Biking & Walking's photo contest: