Serial Numbers Chicago built Schwinn Serial Numbers for the years 1960 - 1969 are found on the left rear axle-hanger or fork-end on the frame; for the years 1970 - 1979 (Chicago built) they are on the headtube of the frame where the fork enters from the bottom (actually, this begins in April of 1970). Official site of Schwinn Bicycle. Maker of Road Bikes, Hybrid Bikes, Cruiser Bikes, Mountain Bikes, Bike Path, Urban Bikes and Kids Bicycles. The Schwinn Traveler. Frame: 4130 chrome moly double butted main tubes, chrome moly stays, Centeny dropouts with stainless steel faces and eyelets. Fork: TANGE, hi-tensile steel blades, forged dropouts with eyelets. Braze-ons: Top tube guide, bottom bracket guides, bottle bosses, cable stops, chain rest. Later Schwinn serial numbers / years made. Bicycles from Japan made in the 70's have a production month letter in either the first or second position and a.
1957 Schwinn Traveler
I bought this off Craigslist today for $150. I thought it was an 80's bike at first, but when I looked up the serial number on the Schwinn website it said 1957.
Schwinn Traveler Serial Number
I planned on upgrading some parts but is that a good idea given its age? Should I leave it intact?
Edit: http://imgur.com/a/wlKMx
When comparing it to old pictures, they don't look very similar which is why I thought it was an 80's bike. I think I might change the handlebars then