Xeno posted for all of us...
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>> It's the *imperceptible vibration* that causes issues, imperceptible
>> because modern cars are designed to isolate vehicle occupants from such
>> things. Because they are *imperceptible* to humans does not mean they do
>> not exist.
>>
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> Remember the on the car balancers with the strobe lights?
>
Only ever used them on large truck wheels a very long time ago. I'm presuming you mean the type where you have an electric motor with a drum whereby you spin the wheel up to speed.