Originally Posted by DrWJODonnell

Not that this needs to be investigate at great depth YET AGAIN, but here is a link that I think sums things up nicely.

http://www.westwoodvelo.com/showthread.php?t=2190

Bottom line, the difference between my tubulars and the very best in rolling resistanc eclinchers is about 8 watts on impressive road surfaces. As the road surface gets more testy, the difference becomes less. I will stick with tubulars.