Originally Posted by
Drillium Dude
^ Super Record brakes also differed in that the levers had holes (or drillings if you prefer) - NR levers did not. Holes in the levers go back to at least '75. Anyone have a catalog showing where they first appeared?
Catalog 17 (1973) already shows the perforated lever blades:
http://www.campyonly.com/history/1974/super_record.pdf