Well, for the most part the more expensive the helmet the lower profile it probably is. (If you have a spare $150 burning a hole in your pocket.) Some of the European helmets may be smaller than the US offerings.
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-=- '05 Jamis Nova -=- '04 Fuji Absolute -=- '94 Trek 820 -=- '77 Schwinn Scrambler 36/36 -=-
Friends don't let friends use brifters.