Originally Posted by wmodavis

I agree 100% with Al1943. Pre built wheels are seldom tensioned high enough to prevent them from needing to be re-trued. Low tension it probably the main factor causing a wheel to go out of true. Tension should be adjusted to be as high as the manufacturer recommends for that specific rim. In case you cannot find mfg's info aim for about 90-100 kgf. It's the best thing you can do to ensure durability, and strength in most any bicycle wheel. While you are about getting a truing stand get a tensiometer so you can measure the actual tension of the spokes. I personally think the tensiometer is more important than the truing stand.