I just found out today that when you call Performance,that Performance and Nashbar are one.Anyhow they didn't know anything.So I called WTB who made my wheels and they said,work toward 120.I don't have my meter yet, but I think that's pretty close to 19 or 20.They said it would be almost impossible to get the same reading around the whole wheel. I really not trying to get the same reading all around, but I hope to be within reason. I hope this helps a little,George
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George