Identify Schwinns produced before 1948 by looking for either of these serial numbers: B12818 or Z12993. Interpret the serial numbers of bikes produced between 1959 and 1964. Those Schwinn bikes produced before 1959 have no real system to numbering but the serials typically contain six or seven numbers or letters. Built for Schwinn by Panasonic. 4130 chrome-moly steel frame tubing. Chrome plated head lugs, fork crown and front and rear fork ends. Schwinn Approved (Sun Tour power rachet) fingertip shifters. Diacompe center-pull brakes with dual-position quick release levers. Quick-release high flange aluminum hubs (Shimano) and alloy rims.

How To Identify Schwinn Serial Numbers
Schwinn Serial Number Chart
How To Find My Schwinn Serial Number
How To Read A Schwinn Serial Number

THIS CHART APPLIES TO CHICAGO SCHWINN`S ONLY.
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LOCATION OF SERIAL NUMBERS ON THE FRAME:

SERIAL NUMBERS ARE FOUND UNDER BOTTOM BRACKET
(On The Bottom Of The Frame, Under The Pedal Crank Housing)

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TDM = Tandem.-----WZ and S or S-10 = Whizzer.----- CT or C = Cycletruck.

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Date -------------- Serial #`s From ------------------- To
08/18 ------------------ D92598 ------------------- D94798
08/20 ------------------ D94799 ------------------- E01031
08/24 ------------------ E01032 ------------------- E06295
08/25 ------------------ E06296 ------------------- E08151
08/26 ------------------ E08152 --------------------E10665
08/27 ------------------ E10666 ------------------- E16875
08/30 ------------------ E16876 ------------------- E19680

09/01 ------------------ E19681 ------------------- E22535
09/02 ------------------ E22536 ------------------- E24168
09/08 ------------------ E24169 ------------------- E26163
09/08 ------------------ 11001 ------------- 11972 - (WZ)
09/09 ------------------ E26164 ------------------- E28732
09/10 ------------------ E28733 ------------------- E34622
09/14 ------------------ E34623 ------------------- E39033
09/15 ------------------ E39034 ------------------- E41315
09/17 ------------------ E41316 ------------------- E43008
09/18 ------------------ E47196 ------------------- E48889
09/20 ------------------ E48890 ------------------- E51200
09/21 ------------------ E51201 ------------------- E53470
09/22 ------------------ E53471 ------------------- E60376
09/23 ------------------ E60377 ------------------- E61777
09/24 ------------------ E61778 ------------------- E62054
09/25 ------------------ E62055 ------------------- E67000
09/27 ------------------ E067001 ---------------- E067965
09/28 ------------------ E067966 ---------------- E070835
09/29 ------------------ E070836 ---------------- E077505

10/02 ------------------ E077506 ---------------- E083213
10/05 ------------------ 11973 ------------- 12173 - (WZ)
10/05 ------------------ 1 ---------------- 160 - (24' S-10)
10/07 ------------------ E088017 ---------------- E089140
10/08 ------------------ E089141 ---------------- E095828
10/09 ------------------ E095829 ---------------- E096520
10/09 ------------------ 12174 ------------- 12564 - (WZ)
10/11 ------------------ E096521 ---------------- E096744
10/12 ------------------ E896745 ---------------- E100558
10/13 ------------------ E100559 ---------------- E105492
10/13 ------------------ C50000 ------------ C50920 - (C)
10/14 ------------------ 12565 -------------- 12960 - (WZ)
10/15 ------------------ E105493 ---------------- E108638
10/18 ------------------ E108639 ---------------- E114278
10/18 ------------------ 161 -------------- 315 - (24' S-10)
10/19 ------------------ E114279 ---------------- E115625
10/21 ------------------ E115626 ---------------- E117457
10/22 ------------------ E117458 ---------------- E121536
10/22 ------------------ E096521 ---------------- E096837
10/22 ------------------ 316 -------------- 491 - (24' S-10)
10/23 ------------------ 12961 -------------- 13398 - (WZ)
10/25 ------------------ E121537 ---------------- E124436
10/26 ------------------ E124437 ---------------- E126914
10/27 ------------------ E126915 ---------------- E130542
10/27 ------------------ 49 ------------- 1058 - (24' S-10)
10/28 ------------------ E130543 ---------------- E133874

11/01 ------------------ E133875 ---------------- E138612
11/02 ------------------ E138613 ---------------- E142710
11/03 ------------------ E142911 ---------------- E144810
11/04 ------------------ E144811 ---------------- E148000
11/05 ------------------ E149727 ---------------- E149727
11/06 ------------------ E149728 ---------------- E150965
11/08 ------------------ E150966 ---------------- E155692
11/08 ------------------ C50951 ------------ C51138 - (C)
11/09 ------------------ E155693 ---------------- E159051
11/10 ------------------ E159052 ---------------- E159712
11/11 ------------------ E159713 ---------------- E163763
11/11 ------------------ 1059 ---------- 1134 - (24' S-10)
11/12 ------------------ E163764 ---------------- E165615
11/13 ------------------ 160331 ------------- 160595 - (C)
11/13 ------------------ E165616 ---------------- E169489
11/15 ------------------ E169490 ---------------- E171960
11/16 ------------------ E171961 ---------------- E175256
11/17 ------------------ E175522 ---------------- E177942
11/18 ------------------ E177943 ---------------- E182291
11/19 ------------------ E182292 ---------------- E187278
11/20 ------------------ E187279 ---------------- E189990
11/22 ------------------ E189991 ---------------- E192504
11/23 ------------------ E192505 ---------------- E192728
11/24 ------------------ E192729 ---------------- E198105
11/26 ------------------ E198106 ---------------- E201774
11/26 ------------------ 1135 ---------- 3447 - (24' S-10)
11/29 ------------------ E201775 ---------------- E203630
11/30 ------------------ E203631 ---------------- E208661

12/01 ------------------ E208662 ---------------- E215055
12/03 ------------------ E215056 ---------------- E219630
12/06 ------------------ E219631 ---------------- E222380
12/07 ------------------ E222381 ---------------- E228016
12/09 ------------------ E228107 ---------------- E236125
12/10 ------------------ E236126 ---------------- E243008
12/13 ------------------ E243009 ---------------- E253940
12/14 ------------------ E253941 ---------------- E258206
12/16 ------------------ E258207 ---------------- E262103

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Date -------------- Serial #`s From ------------------ To
01/11 ------------------ F000100 ---------------- F000500
01/12 ------------------ F000501 ---------------- F003860
01/13 ------------------ F003861 ---------------- F005681
01/17 ------------------ F005682 ---------------- F008029
01/19 ------------------ T001000 ----- T00

Schwinn Serial Number Chart