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Old 08-01-13 | 09:18 AM
  #28  
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merlinextraligh
pan y agua
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Joined: Aug 2005
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From: Jacksonville

Bikes: Willier Zero 7; Merlin Extralight; Calfee Dragonfly tandem, Calfee Adventure tandem; Cervelo P2; Motebecane Ti Fly 29er; Motebecanne Phantom Cross; Schwinn Paramount Track bike

Originally Posted by Reeses
I saw somewhere that it was more aerodynamic for the bottle to be on the seat tube. I put it on the down tube cuz it's just easier to reach.
Backwards. All the data I've seen indicates a round bottle is most aerodynamic on the downtube.

See e.g. http://www.cervelo.com/en/engineerin...odynamics.html

http://www.slowtwitch.com/mainheadin...erbottles.html
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