Truing Tires

I've never seen this type problem, but it would seem that your spokes are the problem. Unless your wheel is really expensive, I would drop the problem entirely by getting a new wheel.

I recently built up a front Mavic CXP33 with straight gauge DT and Ultegra hub. Not only would it keep going out of true, but a couple of spokes would come way loose on each ride. I eventually gave up a bought some DT Pro Lock nipples

http://www.dtswiss.com/index.asp?fuseaction=nipples.bike

vchu7105 said:

I have a trek 1000 yr2005, and the rear tire keeps on needing a truing. I brought it to the bike shop and they trued it, and after the first ride its right back to wobbling. Ive done this 3 times already, return it, they fix the wheel and ride once and its back to needing a truing. What can be done to fix it, should I tell them to replace spokes at the shop. I think they are Alex rims for an 8 speed Sora. Also, I am thinking of buying a carbon bike next year, like a Giant TCR composite, will the more expensive wheels require less Truing. I Just want to ride!

Wheels that are properly built, tensioned, stress relieved, and trued in the first place do not go out of true under routine riding conditions unless they are overloaded or severely stressed (potholes, curbs, crash, etc...) and spokes/nipples should not routinely loosen. Just because a wheel is new, does not mean it is OK. Your local shop is probably just doing a touch up truing on a wheel that was likely improperly tensioned from the start.

Take the wheel to a different shop, preferably one that builds their own wheels, tell them your problem. You probably do NOT need new spokes, just the current ones properly tensioned.

Good luck.

531Aussie said:

I recently built up a front Mavic CXP33 with straight gauge DT and Ultegra hub. Not only would it keep going out of true, but a couple of spokes would come way loose on each ride. I eventually gave up a bought some DT Pro Lock nipples

http://www.dtswiss.com/index.asp?fuseaction=nipples.bike

You built or had built up by an experienced wheel-building professional? A properly built, evenly tensioned, stress-relieved wheel should not have spokes loosen through routine riding. I suspect uneven tension in the first place may be the problem, not the nipples.