Since the tubing specs haven't been released yet, let me ask the question that has bugged me for a long time. Why do manufacturers use the same aero profile tubing for both the down tube AND the seat tube? Assuming that they will both be the same width, shouldn't the seat tube be considerably deeper? If one looks at the down tube as it pierces the air (horizonally to the ground) and takes this cross section, why isn't the near vertical seat tube drawn to this profile?

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"that which does not destroy me will only make me stronger" Frederick Nietzsche
andrew peabody
http://BREAKAWAYMULTISPORT.COM