Your wheel probably was never tensioned properly. Take it to your LBS and have them true it, make sure they do a good job, and watch them, so you know how to maintain it.
Issac - That’s the guy but he upgraded it to this.
http://www.unicyclist.com/forums/showpost.php?p=858292&postcount=94
I think there’s another guy on here also w/ a 26x3 on a LM, KH frame, but I may be mistaken.
Terry - $35 
I ordered one of those from my LBS a week ago and it cost me $50:(:o