Originally Posted by eddiebrannan
1141 is the headbadge number, which you're saying is the 114th day of 1981. so the serial number says December of 1980, and the headbadge suggests somewhere in late April of ’81. so would the serial be frame manufacture date and the headbadge be when the bike was built up?
Welcome to the fun of dating vintage Schwinns! You have reached the correct conclusion. Somewhere your friend lost three years of his life
or someone switched bikes and he never noticed!
