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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 03-08-11, 09:21 PM   #1
BikeArkansas
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Single Speed Wheels for a 230 pound rider

Just bought a Jamis Sputnik single speed and have taken it out for two rides of 20 plus miles. This is my first experience with a SS (not fixie). During the one climb on each outing I definitely noticed flex and I am pretty sure it came from the wheels.

No big deal, but I have been riding a couple road bike with Mavic Ksyrium SL wheels. These wheels are great for a little heavier rider and there is no noticeable flex on a climb.

Looking for suggestions for a wheel similar to the road bike wheels I am using, but built for the SS. My search has been Lackluster at best, so I am now turning to the guys with experience.
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Old 03-08-11, 09:33 PM   #2
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Anything with a deeper sidewall and thicker spokes will probably have less flex, but they will also weigh more most likely. I'd look into other things flexing before I would wheels, that's just personally though.
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Old 03-08-11, 09:34 PM   #3
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Are the wheels on your Jamis properly built/tensioned?
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Old 03-08-11, 10:17 PM   #4
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I'm pushing 250 lbs., and I've been riding my Windsor on the stock bikesdirect wheels for the last year without any issues. Get your wheels trued and tensioned properly if you haven't already destroyed them, and go ride your bike.
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Old 03-09-11, 04:07 AM   #5
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Originally Posted by Scrodzilla View Post
Are the wheels on your Jamis properly built/tensioned?
This^

At 245lbs I rode the stock wheel set from my motobecane messenger after having it tweeked by my LBS with no problems. Unless you are running ultra low spoke counts I'm betting it's a build issue and not a materials issue.
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Old 03-09-11, 07:07 AM   #6
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If I remember correctly, the rims that come stock on the Sputnik are Alex DA-13s and there's no reason they shouldn't hold up to a guy your weight. Fresh out of the box, machine built wheels should always be stress relieved, trued and tensioned before riding on them.
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Old 03-09-11, 09:02 PM   #7
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The wheels that came on the Sputnik are Alex DA 22. I think the main problem is being spoiled with the very rigid Mavic SL wheels. I do not think there is a problem with the DA 22 wheels holding up. The flex just caught me by surprise. I can live with it but would rather have the stiff ride and may change these wheels someday when I get rich. What I am doing now is searching for those stiff wheels in case the "ship comes in".
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Old 03-09-11, 11:00 PM   #8
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I'm a big guy, too. A little bigger than you. I have Ksyrium ES (same as SL) on my road bike, too.

As others have mentioned, I would have the wheels trued and tensioned first. That should be relatively cheap. Go to a good shop and ask for it to be done by the "go to guy" who knows his stuff. It costs the same and you'll be assured that the new guy isn't doing it.
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Roadies can run tempo all year as that's what humans were designed for. If you want to be a cheetah, lay around and lick your paws more.

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