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A full range of competing aero helmets were tested at the FASTER wind tunnel facility utilizing the industry-adopted wind-averaged drag (WAD), a wind velocity of 25 mph (40 kph), and a 30-degree head angle for all helmets
Your bag should be easy to move around (or carry) in your situation
doi: 10.1007/s10439-011-0396-0
The spoiler is designed to break off in the event of a crash
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