Originally Posted by
Kilroy1988
I'm pretty sure the special training/certification applied to 753 back in the '70s. Haven't heard about such a thing for 853, which was developed in the 1990s after most frame builders using it were already backed into a pretty niche market. I have a 1999 Schwinn made in Taiwan with an 853 frame, from just a few after the tubing was released.
-Gregory
I’m sure it applied to 753, but I don’t know if it actually applied to 853. The story has often been told, but I guess I haven’t much corroboration.