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  1. #1
    AKA Frank N. Bike!!
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    Rim out of true?

    So my big question is should I worry about this? It hasn't got worse, but I wanted it perfect. I am curious with my weight around 275 and the tire pressure at 45 to 50 if that is causing harm to keeping the rim true. Can I keep riding this with this small wobble?

    https://www.facebook.com/photo.php?v...type=3&theater
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  2. #2
    mtbpete
    Reputation: changingleaf's Avatar
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    That's not too bad and it can probably be trued fairly easily by an experienced mechanic. But, many stock wheels are not likely to last long under a 275lb rider. It can depend on how much you ride and what type of riding you do. Smooth bike paths are the easiest on the wheels. Mountain biking with real bumps will drastically shorten the lifespan of those wheels under a 275lb rider.

  3. #3
    AKA Frank N. Bike!!
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    I ride light XC. My usual trail is 80% pavement, 10% gravel, and 10% hard packed dirt with small boulders about the size of a softball half buried in dirt. Most of the other trails I do are the same. So can I ride on it again and except it to stay this way without getting worse?
    My Bike: '03 Specialized HardRock FrankenBike
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  4. #4
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    That's nothing to worry about mate. That'll true up no problem at all.

    The wheels on most low to mid priced bikes are not as well built as they could be. They are made by machine and are often not as tightly tensioned as would be ideal. The result is that after a bit of riding they go out a bit.

    Once they are tightened up and trued properly though they tend to stay good for a long time after that. Even cheap wheels are usually fairly stable once tensioned up properly.

    The wobble you have there is not excessive and is very easily fixable. It looks typical of a cheap wheel that's seen a bit of use. Once it's trued up it'll be good as new.

    If you trust your local shop by all means get them to fix it, it's not an expensive job, but truing wheels is something that is quite easy and it's worthwhile learning to do it yourself. Practice on an old wheel, get someone to show you what to do, buy a book, look at some YouTube vids or all of the above. Once you've done it a few times you'll realise how simple it is and you'll be sorting your own wheels all the time.

  5. #5
    mtbpete
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    Nothing is a forgone conclusion, but at 275lbs it will likely get worse. It would be best to get the wheel trued and tensioned by an experienced mechanic or wheel builder.

  6. #6
    AKA Frank N. Bike!!
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    The thing about is this wheelset came off a semi-expensive GT I-Drive. I had it trued 3 months ago, yet after a small handful of rides the rear has become as you see it in the video. I volunteer at a bike shop, I could true it myself, but I don't know how. I've practiced on other rims, I just can't get the hang of it.
    My Bike: '03 Specialized HardRock FrankenBike
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  7. #7
    mtbpete
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    The wheel not only needs to be true, it needs fairly even tension to remain true. A mechanic or wheel builder should check the tension during the truing process. At 275lbs a stronger wheel will probably need to be built.

  8. #8
    AKA Frank N. Bike!!
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    I've known I need a stronger wheelset for a long while now. However I have no way to get a set at this time so I will have to make these rims work.
    My Bike: '03 Specialized HardRock FrankenBike
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  9. #9
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    As Kona0197 says, if it is trued and tensioned up properly it should behave itself. My guess is that the spokes are all a bit too loose. It needs a bit of help, from someone who really knows how to build wheels, but it's totally fixable.

    I'm sure a better wheelset would be nice but how the wheels are built is more important. By the way, when you do buy new wheels go for 36-spokes instead of he more common 32. A good 36-spoke wheel is a sturdy thing!

  10. #10
    AKA Frank N. Bike!!
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    Looks like I will be looking to get a new wheelset sometime next year.
    My Bike: '03 Specialized HardRock FrankenBike
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  11. #11
    Ow!
    Reputation: clydecrash's Avatar
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    That wheel is not "bad", but could be better, especially if using rim brakes. I say to everyone, learn about wheels yourself, even build them.

    That said, machine-built wheels skip a few steps in building. Check the wheel building thread, especially Mike T's site. Especially the stress relief section (not your stress relief, but the wheels). You can do this with a factory wheel. Just take your time. The final product will likely last longer than just truing it.

  12. #12
    mtbr member
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    Quote Originally Posted by clydecrash View Post
    I say to everyone, learn about wheels yourself, even build them.
    I agree. I recommend this book: LINK

    It's well written and easy to follow. You download the file and print it off yourself. Buying it also means you get sent the next version when it comes out.

    He doesn't use the 'lying the wheel on the floor and leaning on the rim' method of de-stressing the wheel. Personally I think it works great. Ideal book for someone who wants to learn all about making and fixing wheels.

  13. #13
    AKA Frank N. Bike!!
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    I spent 2 hours truing the wheel today in the shop. It is perfect. Now I need to tension the wheel properly.
    My Bike: '03 Specialized HardRock FrankenBike
    My Blog: http://http://kona0197.wordpress.com/

  14. #14
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    Good stuff :0) You'll get there. It's not rocket science, just take your time and you'll get it.

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