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Zipp 404 > standard or clyde?

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Zipp 404 > standard or clyde?

Old 04-23-08, 08:36 PM
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Zipp 404 > standard or clyde?

I've pretty much decided on a set of Zipp 404 clinchers for use in endurance events but since many will be limited or non-supported, I was thinking of getting the clydesdale model for extra durability. Easier to limp in with a FiberFix with a higher spoke count, etc, etc.

I'm between 160-165lbs so I definitely don't need them for the weight. I'm a bit worried that the extra stiff rims and increased spoke count will make the them very uncomfortable given the double digit ride times.

FWIW, I do a fair amount of big climbs but decided on the 404 over the 303 for durability. Just wondering if that's enough.

Thanks in advance for any input.
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Old 04-23-08, 08:50 PM
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Look into the Pave models for a more robust wheel. What, if any, differences there are, I don't know. Perhaps e-mail Zipp.
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Old 04-23-08, 09:06 PM
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I did look at the Pave option but that seems to be a tubular, not clincher.

My other option is to have a custom set built on the standard rims with a higher spoke count. If I did that, I could use the light DT hubs, etc so that might be the best option.
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Old 04-23-08, 09:15 PM
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Give tubulars a try.
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Old 04-23-08, 09:38 PM
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I don't think you lose a lot by going with more spokes but at your weight you are well under the Clyde limit.
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Old 04-23-08, 09:42 PM
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I don't think that you'll notice any difference in comfort between regular and 'clyde' wheels.

As far as durability, if you are going to be worried about light wheels during events, get the clyde wheels. If you're hard on wheels, get the clyde wheels. How much time would a broken wheel cost you? How close will support be?
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Old 04-23-08, 09:42 PM
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Originally Posted by s4one View Post
Give tubulars a try.
He said his events are not supported.

What do you guys with tubulars do if you flat in an event? DNF?
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Old 04-23-08, 09:47 PM
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Originally Posted by Bontrager View Post
He said his events are not supported.

What do you guys with tubulars do if you flat in an event? DNF?
Start the event with a fresh can of Vittoria Pitstop already in each tire, then carry one spare. If that doesn't work I'm toast.
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Old 04-24-08, 03:28 AM
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can you order the cydesdale wheels without those awful Clydesdale stickers?

why are the Pave Zipp 404s only available in tubular?

cheers
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Old 04-24-08, 06:23 PM
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Originally Posted by Old_Crow View Post
I've pretty much decided on a set of Zipp 404 clinchers for use in endurance events but since many will be limited or non-supported, I was thinking of getting the clydesdale model for extra durability. Easier to limp in with a FiberFix with a higher spoke count, etc, etc.

I'm between 160-165lbs so I definitely don't need them for the weight. I'm a bit worried that the extra stiff rims and increased spoke count will make the them very uncomfortable given the double digit ride times.

FWIW, I do a fair amount of big climbs but decided on the 404 over the 303 for durability. Just wondering if that's enough.

Thanks in advance for any input.
The typical recommendation we make weight-wise for an upgrade to Clydesdale wheels is 185-200 pounds, depending on riding style. The increased spoke count and traditional-flanged hubs result in approximately 12% more lateral stiffness (if I recall my numbers correctly). In terms of aerodynamics, last time we were in the tunnel we compared the standard wheel to a Clydesdale and found the difference to be within the resolution of the tunnel.

Ride quality is predominantly a factor of tire selection and pressure, not spoke count (nor spoke tension, within a reasonable range). One of our patents deals with the manipulation of the toroidal rim shape in order to enhance the damping characteristics of the wheel. By careful tuning of the laminate schedule in the side wall of the rim, we've dialed in approximately .5 mm of deflection of the rim under a 100 pound impact force while maintaining lateral stiffness. This is roughly equivalent to the effect that would be seen given a 10 PSI decrease in tire pressure.


Originally Posted by BHBiker View Post
can you order the cydesdale wheels without those awful Clydesdale stickers?

why are the Pave Zipp 404s only available in tubular?

cheers
Yes, you can order Clydesdale wheels without those decals. The funny thing is that we get about as many requests to have those decals added to non-Clydesdale wheels as we do requests to remove them from the Clydesdale wheels; they are definitely a love it or hate it kind of thing.

The Pave laminate was specific to the construction of the outside diameter of tubular rims, which are constructed in an entirely different fashion than the clinchers. This, coupled with the fact that the clincher 303 and 404 rims still hold the all-time record for durability on DT's wheel fatigue machine, meant that modifications to improve impact resistance were unnecessary on clincher rims. The Pave construction has been superseded by the new Carbon Bridge technology, which has improved impact resistance of our tubular rims on the order of 28-50% (the higher increases are seen with the deeper section rims as the sidewalls are able to flex more and thereby dissipate more of the impact energy). As with the earlier Pave modifications, Carbon Bridge technology is specific to tubular rims.

I hope this answers some of the questions posed in this thread.
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Old 04-24-08, 06:31 PM
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The clydesdale wheels are overkill for you. I've ridden 303's and 404's for over a year without problem. I weigh in only slightly less than you. Our roads are not great.
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Old 04-24-08, 10:17 PM
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Thx all, much appreciated!
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Old 04-24-08, 10:21 PM
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I would get some Zipp rims and have some built up.
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Old 04-25-08, 07:41 PM
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If you're looking for durability in an aero deep section rim, I would go with the reynolds dv46s. All the guys in my shop joke about zipps in the sense that you get about a dollar a mile with the pricetag. Beautiful wheels, but I wouldn't count on them lasting for years and years.
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