All I know is that Reynolds cromo is 520 (as well as 500 and 501, unbutted thought), perhaps 533 a different kind of cromo?
520 is the the licensed stuff made for taiwanese mass produced frames.
There is a big picture of all the badges knockinging around somewhere, I think it labels what each type is intended for also.
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520 is the the licensed stuff made for taiwanese mass produced frames.
There is a big picture of all the badges knockinging around somewhere, I think it labels what each type is intended for also.