Originally Posted by
irwin7638
It's nice to know that somebody
does know what I'm talking about. We should hire you to educate the LBS crews.
Just have them read the Schwalbe website as they list the French, German and ISO sizes next to each other
Marathon Plus - Schwalbe Fahrradreifen, Rollstuhlreifen, Scooter- und Mopedreifen