Originally Posted by bostontrevor
Track racers were die-hard inch-pitch freaks. It's possible that Campy even had an inch pitch offering at the time. Their cotterless cranks date all the way back to the late 50s, so maybe the boxes were just using old artwork too.
I was told the reason for track racers being so inot the inch pitch was because they believed that less teeth equaled less friction and therefor more speed. Not sure if it is true.