Sorry my bad, in the space between the garage and my laptop the cold mixed them up in my head!!
So to confirm
Inside edge of Seat tube - Inside of Head tube = 53 cm.
Centre of Seat tube - Centre of Head tube = 56 cm
Outside edge of Seat tube - Outside of Head tube = 59 cm
Sorry for the confusion and thanks pilky for noticing!!
Sorry my bad, in the space between the garage and my laptop the cold mixed them up in my head!!
So to confirm
Inside edge of Seat tube - Inside of Head tube = 53 cm.
Centre of Seat tube - Centre of Head tube = 56 cm
Outside edge of Seat tube - Outside of Head tube = 59 cm
Sorry for the confusion and thanks pilky for noticing!!