For these sorts of questions, splitting hairs, I think Josh@Silca really changed the landscape. You can no longer look at just the wheels, you have include the tires, the psi, etc. You could very easily have a system where either the carbones or flo 30 are faster depending on the entire system.

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Flo30s are more aero.

^^^^This.

My old carbones are now on my roadie.

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Thomas Gerlach wrote:

You could very easily have a system where either the carbones or flo 30 are faster depending on the entire system.

This is a good point, thanks for mentioning this. Folks have been preaching this for a decade or more, for sure. Tires and their effects on aerodynamics has been known since Chester Kyle was looking at this stuff moons ago. Steve Hed was also doing this stuff in the 90's. Heck, I documented the aerodynamic effect of tire/wheels in the late 90's early 00's. When it comes to Crr, the original Crr testing of Al Morrison encouraged me to test multiple tires of the same make/model on rollers and my immediate observation was along the lines of this:

http://biketechreview.com/...4-a-ultremo-zx#26926

The problem, IMO, is that tools/methodologies exist to give _an_ answer. Whether that answer is misleading or not is a bit more problematic. Caveat emptor.

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Kraig Willett
http://www.biketechreview.com - check out our reduced report pricing
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the tire you choose to use can make a big difference aerodynamically with this wheel (and all others!). I've had good tunnel results with my carbones (purchased used off ebay mid 00's).

YMMV,

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Kraig Willett
http://www.biketechreview.com - check out our reduced report pricing
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