A friend at church gave me this vintage Schwinn World Sport 10 speed bike to restore for my outreach ministry, in which I provide bikes to folks in need. As near as I can tell, this is a 1979 or 1980 model, based upon color and components.
The bike was mostly easy to disassemble, with the exception of the non-driveside pedal. But that eventually came off, and the next step was to clean all the components. For the most part, all I had to do was spray some Simple Green on the components and wipe them down with some fine steel wool. I aloes used some 3000 grit wet and dry sandpaper on the aluminum cranks, and a green Scotch pad on the chain rings.
When I reassembled the World Sport, I repacked the bottom bracket and head tube bearings. I added a set of better wheels and some used tires, a replacement saddle, new cables all around, and new bar tape. All in all, I’m very pleased with this bike, and I’m sure that this will be great basic transportation for someone.