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trueing wheels - dumb question(6 posts)

trueing wheels - dumb questiontad
Apr 23, 2002 1:13 PM
Is it better to true wheels with the tires/tubes on, off, or does it really matter!?

Thanks.
better offmr_spin
Apr 23, 2002 1:18 PM
For minor touchup of one or two spokes, leave them on. If the job is bigger taking off the tires will yield more accurate results. The wheel will be much better balanced without any extra weight.
Radial truing nearly impossible with tires mounted.Quack
Apr 23, 2002 7:05 PM
Tires aren't perfect so any radial adjustments made to the wheel with tires mounted will be off if the tire shifts on the rim.
re: trueing wheels - dumb questionDKF
Apr 24, 2002 1:58 AM
Not a dumb question at all. Most people never even think to ask. You cannot accurately true a wheel with air pressure because of the distortion from the high pressure. So, your answer is no, just let out the air. Of course if your working radially, your wheel is out of round, of course you need to remove the tire, but if your new to the experience your better off taking it to a pro for that.
Air Pressure and DistortionDoubleK
Apr 24, 2002 7:03 AM
DKF is correct is saying that, especially on some rims, air pressure can distort the structure slightly. However, I must disagree when it is said that you should release the air pressure. How do we ride our wheels? With the tires fully inflated so why not true them that way. It just makes more sense to me. I have noticed though that today's rims seem much less affected than rims ten years ago or so.
Air Pressure and Distortiondzrider
Apr 24, 2002 8:50 AM
Does this mean I should retrue my wheel every time I change a tire? I do too much tinkering already - see the post on addiction!