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roll resistance & aero for tires & posts?(2 posts)

roll resistance & aero for tires & posts?jjdbike
Aug 22, 2002 8:03 AM
If anyone can provide any upto date info I would be greatly apprecitive.
I have read that aero posts are actually less aero than round wich is the opposite that I have read numerous times & counterintuitive?
Along the same lines, I recently heard that 700 X 23 have less rolling resistance than 700 X 20, again also contrary to traditional wisdom. I know that for speed, aerodynamics & weight also are important.
Can someone please substanciate or add to these issues?
Thanks very much in advance!
See comments on components thread (nm)Kerry
Aug 22, 2002 5:15 PM