Originally Posted by Dirtdrop

Those are cool stop pads. They say "pemium quality" on one side and "Kool Stop" on the other. The SM pads are on the PX10 with Campagnolo brakes. They came in the original SM package and were clearly marked "type M" but they're Campagnolo size. I think they were just mislabled, as I said. As I also said and Stronglight found it necessary to repeat for some reason, type M was for Mafac and type C was for Campagnolo.