I would recommend the zipp 808's, (Sorry for saying this on a weightweenies forum! ) the weight difference is just so small that u don't really would feel it, when doing the few climbs u do, but when you are on the flats you are going fast..., of course its about about the same as the 404's, but the again the weight differencies isn't that big in the hills.
I've got the 404 - they are good, really good. But I wished I took the 808.
In my mind the advantages of the 303's are: 100 gram weight savings (this is weightweenies forum after-all!!), better in strong cross winds, and perhaps because of the wider rim maybe more comfortable?
Advantages of the 404: more aero, and in my opinion cooler looking with the deeper profile (okay, very subjective!).
What else do you all think?
"I'll try to answer a couple of the questions raised here.
Lateral stiffness of the new 303 has increased 5.9% in the front and 16.3% in the rear, while radial stiffness has decreased approximately 41% for the front wheel and 37% for the rear. This is possibly one of the reasons the Test Team, Slipstream, and Saxo Bank riders that have been riding them throughout the Classics season have been so happy with them. I'll spare you guys the usual hyperbole about laterally stiff yet vertically compliant, but we really do think we've made a bit of a difference in terms of the shape of the cross section and the laminate schedule used. The ride with a 24 is really quite nice, and the new 303 with a 24 mm tire on it is actually superior aerodynamically to the old 303 with a 21 mm tire.
If you're pleased with your 404s, you'll definitely enjoy the new 303s. The lateral stiffness is nearly that of your current wheels, the radial stiffness is a fair amount lower, and aerodynamically they are now shockingly close.
We've actually been onto the wider wheel thing for about 3 years now, beginning with the development of the Sub-9, 202, and 1080 and continuing with the revisions to the 404 and 808 for 2008. As people have gone to wider tires we first optimized on 21 mm, then 23 mm tires, and now for this rim we considered tires up to 27 mm.
While a bit wider still than our other tubies, part of that was in response to the number of people that use the 303 as a cyclocross rim. The secondary benefits were a pleasant surprise, though.
I hope that answered a couple of the questions; as always, please don't hesitate to PM me as I'm not able to follow threads quite as well as I would like.
jrz1 wrote:I live in South Carolina...
... What else do you all think?
i'm up here in charlotte and in the same market. i rode a few different set from friends and rented from a few shops. the conditions varied from hot sunny summer days to windy spring and fall days. i made up my mind to go with a set of Reynolds DV46's. the 404 was a great wheelset but i ride back home in Boone a ton. the 404 was just a tad too deep for MY liking in the mountains. I loved it on the rolling hills around here. they blew me around a bit when i tested them in the windy spring time, but i'm a lightweight at 135#. i would get the 404's if i was in your position. they are more aero, only 100g more, and would be great for the first 60 miles on the Assault on Mt. Mitchell.
BUt I have had bad experience with them.
rim cracks where the spoke meet the rim.
May be I was too fat at 175lbs? not sure anyway. got the rim changed 3 times...after the forth time I gave up, got it replaced and sold them. I was very dissapointed, $ 2000 wheels, that you cannot use.
just my experience with them.
Hope you get a better set, than the one I had. If they did not brake they would have been very nice. roll forever, and very stiff, definitely make you go faster. or may be it was in my head???
I am now going for the easton ec 90 aero. they seem to be better.
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