Thread: "Dear Carleton"
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Old 08-21-12, 10:23 PM
  #2763  
Nagrom_
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Originally Posted by JesusBananas
Why is seat tube angle restricted? Does it affect power output? Aeroness? Safety?

I found this thing, but it didn't really explain the rationale behind the seat tube angle rule: http://www.usacycling.org/forms/uci/...egulations.pdf
I don't believe there is a seat post angle regulation, but rather a saddle setback regulation. Having steeper than usual angles causes it to be impossible to have a saddle behind the bottom bracket, therefore being illegal.

/notcarleton.
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