Originally Posted by
BFisher
To the best of my knowledge, that style upper race was exclusive to Schwinn. Your best bet may be to search for complete vintage Schwinn headsets that match. I may be mistaken, but I think a standard 1" BMX headset might serve as a replacement.
I can't tell, but is there pitting present on that race, or is it just plating that has worn off?
So... by the early 80's, Schwinn was still using a 1" diameter headset? I thought that kinda stuff ended with the 70's? Huh.