I have three Aero Storms. One has a small crack. I have been stringing it just fine, but I want to get the bumper and grommets replaced on it so I can prevent the crack from growing. However, I remember my friend trying to get a cracked racquet strung and they wouldn't do it. My crack is at eleven in the hoop. Do you think a pro shop would string it? I don't think they will, but what if I told them if it breaks I'll take responsibility and won't hold it against them?