1 Set Campagnolo Nuovo Super Record Compatible 10T Replacement Derailleur 5 & 6 Speed Pulleys  Campagnolo Nuovo Record, Super Record, Gran Sport Vintage Compatible Replacement Derailleur Pulleys - 1 Brand New Set These are very high quality brand name replacement pulleys, not cheap generic no name. One complete set, 2 pulleys. Designed and engineered to nearly identical appearance, weight, specifications & construction of original vintage pulleys. High quality modern UV resistant durable resin plastic with precision low friction metal bushings and plates. These are designed and manufactured by Shimano so you know they are time tested and race proven and manufactured to the highest quality control standards. Fits many vintage derailleurs including Gran Sport, Ofmega, Saches, Suntour, Shimano, Simplex, etc. Does not fit many C-Record, Huret and some Simplex.