it's an 81-83 Superior. 20502 2= 1982, 05= fifth week 02= second frame of week. It's been repainted is should be Orange 81-81, Platimun grey 83, or black if it came as a frame, it would have came with a complete Campagnolo GranSport group. It still has the Campagnolo Gransport crank so it was probbly a complete bike as delivered . Frame was made out of Renolds 531 dubble butted tubes, fork was Tange. Headbadge is wrong should say Superior insted of Paramount. Its Made out of the leftover Paramount tubes and lugs from when Schwinn shut down Paramount production in Chicago in 79. Braized up by Don Midland in Racine Wi a Schwinn subcontractor who braizes a lot of the chrome Paramounts in the 70's . So almost a Paramount but not quite. catalouge scans Schwinn catalogs, 1981 - 1990 (6 of 456) Schwinn catalogs, 1981 - 1990 (205 of 456)
My Superior100_4079 by galon783, on Flickr