Originally Posted by
RichSPK
Do you think it's really 19 inch? I would've guessed a little bigger. I'm 5'6", and I think 19 inch would be too small for me, but the seller says it fits him, at 5'8"...
Never trust the seller's description, grasshopper.
That does look like a 19 inch / 48cm frame, but doesn't look like it is set up for a 5'08" rider to my (admittedly inexpert) eyes.
Maybe contact the seller and ask for a picture with a tape measure on the seattube showing the measurements.