Originally Posted by
noglider
I'm offering to trade my 26" mtb rims, not 650b, in case that isn't clear. I don't own any 650b's.
Also, I do city riding on lightweight wheels. You might be able to, also. I used to commute on tubulars! That was when NYC potholes would win awards.
And rhm is right about custom frames. They're really not worth it.
As far as I know, only a very modern cyclocross frame would satisfy all your parameters, but I think you have too many parameters.
The problem with modern cross frames is they don't have the front fork braze ons and most are vertical drops...and you're right, I'm looking for something VERY particular. I think the Vassago is AWFULLY close...the only thing it lacks is the front braze ons. I could just do without the front rack, or use the Paul rack that doesn't require those braze ons.
I understand that we're talking 26s. I'm still a little unclear on exactly what a 650b is...I know it;s smaller and fatter...and the French likes them for bombed out post ww2 roads. What I'm not clear on is if they fit frames designed for 26', 700c, 27' or any number of those.