Thread: Post Your Tri Bike!
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Old 07-06-06 | 09:10 PM
  #24  
derath
Senior Member
 
Joined: Dec 2005
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From: Reisterstown, MD
Originally Posted by chephy
Is a question from a curious newbie permitted? Why do the tri bikes have such FAT tubes?

If you were to look at the bikes head on the tubes would look flat. They are elongated (think oval) for better aerodynamics.

-D
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