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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 09-27-04, 08:57 PM   #1
moosetoth
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Rim cross-section, how important?

When choosing rims that would be good for c.cross what do you look for in terms of the rim? A lot of places (QBP esp.) seem to like Salsa Delgados but I've seen cross wheelsets with MA3s and open pros as well. Is there a particular rim cross-section that is considered better/more durable for cross than others? Will the rim's transverse profile even make a difference in the ride? Hub will be XT disc(or equiv.) rear/Ultegra front.
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Old 09-28-04, 12:49 AM   #2
namaste1978
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Hey Moostoth,
I wouldn't worry so much about what rims your pick out. Seriously, most double wall, machined side-wall rims will be fine. What you need to worry more about is a quality build. Proper spoke tension and lacing is more important. Now getting back to your real question....
The Delgado's are sweet rims. I've built up a couple pairs of them. The thing with them is that they are wide. And their heavy. But strong as hell! I like them, would race them and train on them.
I personally like the open pro's. They're just a shade over 400 grams each, and are double eyeyleted. They work for most people. Superheavy weights may want to stay away from them but again with a proper build, (higher tension, 130kgf on Db's) they would be fine. I run them on my single speed cross bike, beat the hell out of them and they stay true as can be.
Now here is another thing to consider......If you have to do a wheel change with someone else on the course, the Delgados are really wide so if you grab someone's open pro, they will be much narrower and you may not end up with good braking. Inline barrel adjusters can handle that problem though. I have them for my brakes and it's saved my butt more than once. Especially the real narrow rim to a wide rim. This way you can loosen the cable and still have brakes!
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Old 09-28-04, 01:20 AM   #3
Raiyn
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Quote:
Originally Posted by namaste1978
Hey Moostoth,
I wouldn't worry so much about what rims your pick out. Seriously, most double wall, machined side-wall rims will be fine. What you need to worry more about is a quality build. Proper spoke tension and lacing is more important. Now getting back to your real question....
The Delgado's are sweet rims. I've built up a couple pairs of them. The thing with them is that they are wide. And their heavy. But strong as hell! I like them, would race them and train on them.
I personally like the open pro's. They're just a shade over 400 grams each, and are double eyeyleted. They work for most people. Superheavy weights may want to stay away from them but again with a proper build, (higher tension, 130kgf on Db's) they would be fine. I run them on my single speed cross bike, beat the hell out of them and they stay true as can be.
Now here is another thing to consider......If you have to do a wheel change with someone else on the course, the Delgados are really wide so if you grab someone's open pro, they will be much narrower and you may not end up with good braking. Inline barrel adjusters can handle that problem though. I have them for my brakes and it's saved my butt more than once. Especially the real narrow rim to a wide rim. This way you can loosen the cable and still have brakes!
Slight threadjack. I'm a pretty big boy (6'4" 250+) I was thinking of building up a Cyclocross bike so that I could use it as a road bike due to the fact that it could handle more of the stresses that I'd subject it to. I'd like to run 25's (I KNOW 23's would be pushing it) would the Open Pro's still be a candidate at that point?

It's frustrating to me (even as a wrench) knowing road and (more specifically) mountain bikes like I do and knowing diddly about cyclocross. We just don't deal with them around here.
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