Originally Posted by
Garthr
The seller claims it's an "ideal fit for someone 5'9" to 6'2" tall" . A 57cm? 5'9" maybe, but not over 6'. That says the seller knows little about bikes. The seller likely found it somewhere and bought it for cheap, and thinks it's a classic Schwinn . . or can find some unsuspecting person who think it is.
I'm 6'2'' and ride a 57 tried a 62 and then a 60 and both were too big. It's all what your comfortable with and every build need a different size.