Charles Young suggests Speedwell serial numbers can be read
as: month/year/Nth bike produced that month, i.e., PR1273008
would be December 1973, 8th bike produced that month.
Updated 11.23.201
7

Owner Serial number
Volker Meier   127207
December 1972
Roger Mathis  17301
January 1973
Steve Bauserman pictures 17307
January
1973
Charles Young  pictures 173010
January 1973
Joe Bergmann PR773001
June 1973
Ken Wallace  1273008
December 1973
Alexander March 1074014
October 1974
Stefan Schaefter of Speedbicycles 1174016
November 1974
  PR775019
August
1975
Carsten Rehbein  pictures 576014
July 1976
Stefan Schaefter

 67706
June 1977

Jon M. Crate 67709
June 1977
   

Back to Classic Speedwell titanium bikes