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O'Neill is a former United States Navy SEAL
Description 1990 Ayrton Senna replica helmet This is a lovely full scale replica of the special Rheos helmet worn by Ayrton in his second World Championship year in the McLaren MP4-5b Honda
Size Selection Requires Careful Measurement To find your perfect K6 size: Wrap a soft measuring tape around your head about one inch above your eyebrows Keep the tape level and pull it snug but not tight Take the measurement in centimeters Compare your measurement to AGVs sizing chart If youre between sizes, I recommend trying the smaller size first
For example, KASKs Utopia, an aero road helmet that came out in 2018, was wind tunnel tested to save up to 6 watts at speeds of 30 mph (50km/h) compared to a conventional road helmet
quick-pull waterproof zipper
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