Bicycle Mechanics - buckled wheel
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How do you unbuckle a wheel?
12-03-05, 04:10 AM
If there is just a cm or so of wobble you need to re-tension the spokes using a spoke wrench.
You can retension on the bike, using the brakes as guides to trueness. It is a delicate skill and requires small turns of the spoke wrench (1/8 to 1/16 of a rotation).
If there is major taco-style wobble, you can do a get-you-home repair but basically, the wheel is shot and you need a new rim.
For a "quick fix" find a big tree, hold opposite sides of the rim that are closer to you, put the axle on the tree and give the wheel a shove toward the tree. This may be good enough to get the bike rolling again but the wheel will still need to be trued, re-tensioned, and re-dished. And the wheel may need a new rim and spokes. A tacoed wheel is usually the sign of insufficient spoke tension.
12-05-05, 02:57 AM
Yep what MichaelW said. I have a spoke wrench, and even take it on my rides just in case the rear wheel gets a bit buckled. Its a cheap option, and will save you money instead of getting the bike shop to do it. Bikes with 'V-Brakes' will notice and are sensitive to small buckles due to the pad rubbing so a spoke wrench is a nice little tool to have on you.
This is mine:
This nifty tool is only 5cm in length and I obtained it for just $15AUD from my LBS.
Parktool have an excellent description to follow for truing the wheel here. (http://www.parktool.com/repair/readhowto.asp?id=81)
You can do this buy keeping the wheel on the bike, just take the tyre and tube off first, and if you have a 'v-brake' setup, you can easily spot out the 'un-true' parts.
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