Originally Posted by
gugie
I take it you've test fit some 650b x 38's? If so, why not? Typically, however old Italian racing bikes won't make the fit unless they're early70's or older vintage.
The first 650b conversion I did for someone else was a
'61 Bianchi Specialissima.
So, a mid 80's Colnago Superissimo would not be a good candidate?