![]() Pm me if you have any further questions or would like to add something to the list. Note: Schwinn bikes created after the 70s had the serial numbers engraved right on the bottom bracket. While Schwinn bike models made between 1970 to 1979 have their serial numbers engraved on the lower head tube. What I have gathered doing research and asking experts is that the I J and K serials would have been left over prewar BB shells and or frames that had already been stamped prior. For instance, from 1960 to 1969, serial numbers were usually engraved on the right rear axle mount. Note (A) serial started again in 51 but in regular larger print. Granted stuff got replaced or got carried over ie pencil stand. ![]() Springer fenders sported diamond and tombstone reinforcement tabs Pivot clip was prewar style half clip.(early) Springer pivot bolt rumored to be chrome on early 46? Grips will be oval with one tail coming off N without double back crossover(late prewar style)ĭrop center rims or sometimes Lobdell flat profile rims.ġ946 bikes have been found with 1941 stamped dogleg cranks Those Schwinn bikes produced before 1959 have no real system to numbering but the serials typically contain six or seven numbers or letters. Interpret the serial numbers of bikes produced between 19. 1950 to 1959 Serial numbers in this period were usually placed at the crankshaft hanger bottom. Identify Schwinns produced before 1948 by looking for either of these serial numbers: B12818 or Z12993. It was not until 1948 that the regular use of numbers started. The existing ones always began with Z or B. This page provides year by year images and info quoted from Schwinn catalogs for the Tornado from 1959 to 1982. My 46 rear fender stay mount is taller and more boxy then late 40s 50s style.Įarly 46 tanks have been seen with tapped brackets ie left over snap style prewar tanks.īig outtie delta horn button and tank hole (prewar size).Ĭhain guard front frame mount tab is thinner with bigger hole. 1940 to 1949 During this period, Schwinn didn’t use serial numbers regularly. The Chicago Serial Numbers consist of a letter representing the month of manufacture, a number indicating the last digit of the year (1960 1964 01960, 11961, etc.) or a letter indicating the year(1965 1979 A1965, B1966, etc.), followed by a sequential series of five or six digits (e.g. bikes catalogs parts history serial numbers The Schwinn Tornado. Rear top stay fender bracket is sometimes tubular on early frames. Rack clamp is a one piece flat band aid shaped plate. (This feature also was found on later years and is not solely indicative of a 1946) Straight bars ie "fat bars" have same dia bottom tubing. More on the 47 side.Ĭanti frames have more of a hump to the top tube. If you have a Schwinn bicycle, you can identify it by its. For example, an AA or DD serial number would indicate that it was manufactured in January 1965. This number is found on the left rear axle hanger, on the headtube, and on the fork-end. 1946 series Hxxxxx Ixxxxx Jxxxxx A0xxxx (small type face) BxxxxxĬxxxxx is probably a cusp number between 46 and 47. If you are unsure of the year your Schwinn bike was made, you can check its serial number on the frame.
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