crazy looking motorcycle helmets Amazon.com: AL's Worlds Smallest Helmet SOA Inspired in Gloss Black with Out Visor Midway Cruiser Bikes Schwinn Color:Lollipop JH Backpack

crazy looking motorcycle helmets Amazon.com: AL's Worlds Smallest Helmet SOA Inspired in Gloss Black with Out Visor Midway Cruiser Bikes Schwinn Color:Lollipop JH Backpack

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Features: Replacement Pinlock MaxVision prepared shield/visor for AGV StreetModular helmets 190° horizontal field of view Anti-scratch Note: Pinlock MaxVision lens sold separately

JH Backpack

Color:Lollipop

We've got the CdA here, so running the maths between the two helmets, you get a difference of 5.38 watts at the relatively sedate 30km/h, and a huge difference of 43 watts at 60km/h, with the caveat that at those speeds, the yaw angle would be consistently close to zero, and the rider position would need to be significantly more aerodynamic than our relaxed, relatively upright testing position