Originally Posted by
VertKurt
I have looked at several steel vintage frames on ebay, but I wasn't sure if they had the option of taking a rear rack for some light grocery runs. I also wasn't sure if they could handle some light trails and such for my commute because that is what interests me to cyclocross frames.
It doesn't deal with the tire size question, but if the bike doesn't have mounts for a rack you can use P-clamps. I resorted to them on my CX commuter, since I used a smaller rack and it just doesn't reach.