Originally Posted by
HillRider
When a manufacturer fits cantilever/V-brake mounting bosses to their frame and fork they really don't expect you to use caliper brakes so they don't try to provide the holes in the fork crown and brake bridge at a standard reach dimension. They expect these holes will just be used for fender mounting.
Not to worry. The OP has found a novel solution to the problem - buying a new frame and fork to fit the brake calipers that he likes.