26'' And 700c Bike Tyres

[Wester]

How can you tell one from the other just by sight as there is not much difference in their size

 

[MichaelW2]

Look at the ETRTO specification on the sidewall.

 

[mjr]

There are lots of 26" tyres too - ETRTO/ISO diameters from 559mm to 590mm and probably some besides.

 

[raleighnut]

Full list here
http://sheldonbrown.com/wheels/index.html
Even does the sizing in British spelling for the pedants who insist that they are tyres and not tires