Are 26 inch wheel bikes still a thing?

[TheDoctor]

27.5 is just another name for 650B. So much of a new thing that Sheldon was writing about it in 2005...

 

[Drago]

27.5 is just another name for 650B. So much of a new thing that Sheldon was writing about it in 2005...

A favoured touring size in the fifties for our more enlightened continental cousins.

 

[TheDoctor]

Which came in handy in the '80s when I needed a 26 by 1 1/4 tube in France.
One or other of the 650 tubes was near enough...