Join Date: Oct 2010
Location: Pipe Creek & Houston, Texas
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Want to send me a new cup to try?
Yes, I'm measuring at multiple points.
It's one inch threaded, the frame is a US made Schwinn, Tange Falcon FL-500 headset.
The headset was becoming loose after each ride and when I pulled it apart the upper bearing cage was missing a ball, but no scoring on either race. I assume the loose feeling was the cup rocking.