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A comment on Bontrager’s WaveCel material more effective at preventing concussions than MIPS. Parent comment

Re:Bontrager’s WaveCel material more effective at preventing... by kmonsen on Thursday August 29, 2019 @04:40AM (#20827812)
Just a quick tip, bike helmets actually have expiration dates and should be replaced every 3-8 years depending on the helmet.
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