Originally Posted by
Bob Dopolina
Incorrect. The "C" is a left over designation from 700A, 700B, 700C and 700D sizes from many years ago. It no longer has any meaning.
Of course you are right...Quoted an old friend of mine, but it's the French sizing.....The bell should be ringing with the more and more popular 650b....
Well. anyways....I'm still on tubies I'll....I'll swap when there's something better and more convenient around...