Quote:
Originally Posted by ergott
Okay that was said, but based on what evidence? Unless they were tested side by side in the same wind tunnel session it's inconclusive. Trek isn't going to spend time testing that (or publishing if that's the case). I doubt any privateer would spend the time/money.
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apparently Trek's own white paper
http://trek.scene7.com/is/content/Tr...aper_EN-GB.pdf
note that the difference is well on marginal (1% faster for the older one), but this doesn't add all lend credence to the assertion that disc-brake frameset is faster