Print, copy, or post anywhere you like. ————————————————————————————————————– Serial numbers under the bottom bracket: ————————————————————————————————————– TDM means Tandem, WZ and S or S-10 mean Whizzer, CT or C mean Cycletruck…. Read more »
Print, copy, or post anywhere you like. ————————————————————————————————————– Serial numbers on left rear dropout, be brake arm/non-drive side axle nut. ————————————————————————————————————– (1952) Date ————- Serial #`s From —————– To 01/01… Read more »
Print, copy, or post anywhere you like. ————————————————————————————————————– Serial numbers are now on the lower left of the head tube, by the Schwinn badge on front of the frame ————————————————————————————————————–… Read more »