Fulcrum PEO Brake Pads are made specifically for wheels with their Plasma Electrolytic Oxidization rim treatment, such as the Fulcrum Racing Zero Night or the Campagnolo Shamal Mille wheels.
Shimano: Compatible with all Shimano and Shimano standard caridges.
Campagnolo: Compatible with all Super Record, Record, Chorus, Centaur and Veloce cartridge system brakes From model year 2000 onwards.