American Classic versus Zipp wheel shootout
#27
Peloton Shelter Dog
No, he sounds like a hell of a rider! I know how painful it can be. I was in a two man breakaway last December and everytime I looked at my heart rate monitor, it confirmed the pain - I was running in the 180s. I wound up averaging a higher heart rate in the road race than I did in a time trial competition a couple days previous. The guy would be scary with some real equipment!
#28
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Two rational observers looking at the same evidence can come to greatly different conclusions.
I hate Zipps. I hate the way they look, and I don't like the black, white and red.
Now, bring on the polished aluminium!
I hate Zipps. I hate the way they look, and I don't like the black, white and red.
Now, bring on the polished aluminium!
#29
Peloton Shelter Dog
There aren't enough candles in the entire Our Lady of Dura Achee Chapel for all the Campy Sinners on this Forum.
#30
Aluminium Crusader :-)
What tyres were on each wheel, if any? The heavier tyre will spin longer.
A wheel with a tyre and tube on it spins for much longer than one without
HED have found the opposite.
They've found no quantifiable rolling resistance advantage on loaded wheels with ceramic bearings, but did on unloaded wheels
"There was a measurable drag difference between ceramic bearings and steel bearings when we tested unloaded wheels, but the difference was small enough that we could not measure it on a loaded wheel."
https://www.hedcycling.com/wheels/ceramicbearings.php
Last edited by 531Aussie; 09-13-07 at 12:20 AM.
#31
Aluminium Crusader :-)
https://www.rouesartisanales.com/article-4934445.html
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#33
Aluminium Crusader :-)
well, well, well, Aksiums tested way above expections on the "Great Wheel Test" for aerodynamcis and rigidity.
https://www.rouesartisanales.com/article-4934445.html
https://www.rouesartisanales.com/article-4934445.html
..............................."watts absorbed at 50kph"
Zipp 808......................................18.1
Ritchey WCS Carbon....................19.3
HED Hed 3...................................19.7
Vuelta Carbon Pro WR.................20.8
Easton Tempest II Carbon...........21.6
CKT Splendor...............................21.7
Mavic Cosmic Carbone SL.............21.9
Shimano WH-7801 Carbon 50......22.9
Campagnolo Bora G3....................23.0
Rose Aerospoke...........................23.0
Corima Turbospoke ......................23.1
Bntrga Race X Lite Crbn aero........23.4
Fulcrum Racing Speed...................23.7
Gipiemme Carbon 5-5...................24.1
Tune Olympic Gold 2005................24.1
Shimano WH-7801 Carbon............24.4
FRM FL-R 23 SD Aerolight..............24.6
Corima Aero..................................24.7
Lightweight Obermayer................24.8
Xentis Mark 1................................25.0
Citec 3000S Aero..........................25.5
Shimano WH-R560........................26.1
Lightweight Ventoux/Standard.....27.3
Campagnolo Eurus........................27.8
Tune Skyline 2006.........................28.1
FSA RD-600...................................28.7
Mavic Aksium Race........................30.0
Citec 3000S..................................30.6
Ambrosio X-Carbo.........................31.5
Campagnolo Hyperon...................32.1
Mavic Ksyrium ES..........................33.2
Last edited by 531Aussie; 09-13-07 at 11:14 AM.
#35
Aluminium Crusader :-)
^ hmmm, possibly .... but it's funny that HED still sell them, even though they've found no data to support their benefit
#36
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you could do a rolling test, assuming you have similar tires on the two sets of wheels (ideally the same),
find a slight hill, and roll down, see which one you go further on/go faster on. you just have to make sure you maintain the same position on the bike for both runs, or multiple runs and average it out....
....
or you could just keep enjoying your fancy new wheels
find a slight hill, and roll down, see which one you go further on/go faster on. you just have to make sure you maintain the same position on the bike for both runs, or multiple runs and average it out....
....
or you could just keep enjoying your fancy new wheels