i bought this centurion recently for $50. it was a somewhat complete bike. just missing a seat and pedals. had different probably non stock seat and pedals i picked out. kyokuto pedals with christophe special toe cages and a brown suede selle italia. stock.. the bike came with a SR stem, sakae custom road champion handle bars, tourney SR cranks, and suntour derailer components so im guessing late 70's, early 80's. i still have no idea what it is. all i know is.. its japanese of course. it was a 10-speed. i want to convert it into a fixed gear but im not sure if i want to start hacking stuff off right away before i know what it is.