dot approved baseball cap motorcycle helmet Half German Style Vintage Open Face Motorcycle Helmet with Goggles, Adults Jet Helmet for Moped Scooter Street Cruiser ( Color : A , Size Extras:No Extras Gopro Helmet Chin Mount %20FMVSS%20218%20Standards%20And%20Is%20The%20Smallest%20D.O.T Stress-Free Commuting

dot approved baseball cap motorcycle helmet Half German Style Vintage Open Face Motorcycle Helmet with Goggles, Adults Jet Helmet for Moped Scooter Street Cruiser ( Color : A , Size Extras:No Extras Gopro Helmet Chin Mount %20FMVSS%20218%20Standards%20And%20Is%20The%20Smallest%20D.O.T Stress-Free Commuting

Gopro Helmet Chin Mount | Kentfaith

Another difference between the two helmets is the testing standard and the approval stamp of them both

Stress-Free Commuting

Extras:No Extras

Unlike Specialized, Cyclingnews doesn’t have its own wind tunnel to play with so it's hard to validate Specialized’s aerodynamic claims

%20FMVSS%20218%20Standards%20And%20Is%20The%20Smallest%20D.O.T