Originally Posted by
acrowder
I know people here just love saying this, but he said the LBS didn't really have time for it that day. Doesn't sound like they disassembled anything, just tried to make an adjustment. I'm sure they would have caught it if the bike had been left there.
I don't say anything because I love saying it; I say it because it's what I think. Maybe the LBS suggested it was installed upside down, but the OP didn't say that. They suggest a new headset instead of checking their cup installation. I stand by my statement.