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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 08-02-07, 08:28 AM   #1
rmikkelsen
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Wobble vs bend

I'm fixing up a yard sale bike (Specialized Crossroads). The non-stock Wiemann 700c rear rim wobbles about 1/2 inch side-to-side, in a couple of spots. Is this something I can true up myself or would this be considered a more-seriously bent rim? If it is managable by adjusting spokes, what would be the best way to go about it? Should I loosen them all first, or just work on the wobbly sections?
I'm not experienced in building wheels but have managed to keep my own pretty true over the years with minor spoke adjustments. This one does not seem out-of-round.
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Old 08-02-07, 10:42 AM   #2
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True it. Just focus on the out-of-round sections. Start with the worst spot, and work your way down to whatever your tolerance threshold is.
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Old 08-02-07, 11:18 AM   #3
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Originally Posted by tellyho View Post
True it. Just focus on the out-of-round sections. Start with the worst spot, and work your way down to whatever your tolerance threshold is.
Agree. Then check the spoke tension by hand after the wheel is straight. If there are no seriously loose spokes, you should be ok.
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Old 08-02-07, 12:41 PM   #4
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Thanks for those.
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Old 08-02-07, 01:29 PM   #5
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This is a very good link for truing-
http://www.parktool.com/repair/readhowto.asp?id=81
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