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  1. #1
    Senior Member mattyknacks's Avatar
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    How long before I KILL them?

    OK, I don't know why I did it, but I did. I went out looking for some rims to put on my mountain bike for riding around the city streets, and came home with Mavic Speedcity rims with disc brake rotors and a new cassette (11-32). The rims are THIN! They say 622 x 13mm on them. The bike store guy said these 24 spoke rims will hold up for me. I put brand new Conti Cityride 700x32c tires on them. Now my bike looks like a flat-bar road bike!

    How long will it take for my 310 pound body to crush these rims? Was this a mistake? Should I ride with knee pads and other fall protection?

    The bike sure is faster!

    Matty in Brooklyn

  2. #2
    nowheels
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    That is a pretty sturdy rim with some good spokes. That wheel is meant to take a pounding, I had been looking for a pair for my 29er.....but the price was a bit steem. I ride a set of Titans on my cross bike that have a low spoke count and they hold up well. You should be ok with those.

  3. #3
    Senior Member
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    Its the depth of the rim that produces the stiffness, so they should hold up well.

  4. #4
    Banned.
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    310lbs on a 24 spoke 13mm wide rim??
    how much do you like your teeth?

    I wouldn't give you 100 miles on the rear rim, seriously. I've been there!
    When I was at 330lbs I killed a similar wheel with more spokes, hand built by a reputible builder.

  5. #5
    Senior Member mattyknacks's Avatar
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    Quote Originally Posted by CrosseyedCrickt
    310lbs on a 24 spoke 13mm wide rim??
    how much do you like your teeth?

    I wouldn't give you 100 miles on the rear rim, seriously. I've been there!
    When I was at 330lbs I killed a similar wheel with more spokes, hand built by a reputible builder.
    So, now the test begins. I am gonna commute on these for awhile and see what happens. If I made a mistake, I will be in the market for some new wheels after the bones are all healed up.

    Not knowing is so exciting. Wish me luck!

    Matty in Brooklyn

  6. #6
    Clyde Rider/Racer
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    Hi Mattyknacks - I'm really not understanding why a few of these cats are telling you, you're going to be okay on those rims and that set up? 310lbs on a 24 spoke, 13mm wide rim is an accident waiting to happen and your real wheel should probably be a little out of true in your first few rides...I dunno, you could get lucky but if those were machine built and if you got them from a LBS they more than likely are, you aren't going to be able to safely hop any curbs, take on a pothole, etc. BE CAREFUL.

    Not trying to be a the bearer(sp?) of poss. bad news but that LBS guy telling you that a 24 spoked anything is going to hold up for a 300+ individual is just another testement to why I think many LBS's aren't worth crap and they're just hoping to squeeze some dimes out of the folks not in the know. You need at least 32 spokes and if you want to ride around without a worry you need a handbuilt set with 36 spokes on the back.

    Good luck brother.

  7. #7
    Senior Member mattyknacks's Avatar
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    Yeah, I questioned the guy also, but he assured me that these wheels have an excellent success rate with commuters and bike messengers here in NYC, and that if I wanted, he would sell me a more expensive wheelset if I wished. He told me about the double walled deep V design, coupled with the straight spokes (no weakend bends at the hub) and all that junk. I guess I will see what happens.

    Matty in Brooklyn

  8. #8
    Senior Member Ray Dockrey's Avatar
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    I have been riding the Mavic Aksiums since last June. I was at 303 when I started riding them. A thousand miles later and 50lbs lighter and they are still in true and working just fine. They are 24 rear and 20 front. The wheels that came on the bike where 32 rear and 28 front and didn't last 300 miles. I think the quality and build of the wheelset are far more important then spoke count.

  9. #9
    Senior Member mattyknacks's Avatar
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    Congrats on the weight loss AND the wheel longevity. I hope to get the same results (on both the weight and the wheels).

    Matty in Brooklyn

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