26in, are easier to origami into airplane legal cases.

and what everyone else said.

5ft nothing on a good hair day. 26in
Going to Central of South America 26in
700c vs 26in tire choice. Not as big a deal as it used to be.

If I'm going on a road tour without an airplane involved I pull out the 25in alu 700c touring bike vs the SnS steel erto 559 bike.