Originally Posted by
ddashoff699
It seems to make sense, seeing as his ad posted that the WHEELS were 24 inches, not the tires.
Bicycle tire sizing is confusing and basically impossible to decipher until you learn what the numbers mean. There are at least 5 (?) different "26 inch" tire sizes. Seller probably just guessed at the wheel/tire size. Further reading:
http://sheldonbrown.com/tire-sizing.html