Originally Posted by
rhenning
My January 1974 P10-9 uses drop bolts front and rear with the Campy brakes. Original owner alternated between tubular tires for racing and 27" rims for touring. That may be why the were used. Roger
My '70 suffered a similar retrofit when it was updated with the NR calipers in the late '70s/80s (the calipers were post-CSPC). Fork crown was drilled to accept recessed mounting (I inserted a sleeve to compensate when I mounted the replacement Weinmanns) - is that the case with your fork as well?
-Kurt