I can't remember who I took mine to a couple years ago in downtown bham, but it was a guy who worked in the back. I tried going to the office, but they made me go deal with the guy in the back with cash. Came back to pick it up and noticed no weights. Asks him if it was just lucky to be perfectly balanced. He replied that he did not balance it nor was he going to, that's that. Any way, since I can not remember the name, i won't blast them. But I can do that kind of work myself, and have done that, with no issues.