Old 10-30-17, 06:19 AM
  #4611  
topflightpro
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Originally Posted by spartanKid
FWIW I don't remember where I saw this, but I think more headset spacers and a flatter stem angle is "more aero" than fewer spacers with a positive rise stem.
You saw it from Specialized.

They came out with a study that it is more aero to have a -17 stem and their 25mm riser than to go with a stem that is angled up (anything less than -17) and flatter bars.
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