Quote:
Originally Posted by ngrimm
If I have two bicycles with the same tread but one with wide tires and the other with narrow tires, would doing a coast down comparison be a fair test of the theory?
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My opinion is that it would take a wind tunnel with extremely accurate load cells to be able to pull out the difference.Your own body is the largest drag contributor and its interference drag would play into at least the drag of the rear tire.
Technically however,the narrow tire would tunnel out with the lower CdA.