Originally Posted by John E
Please post pictures or at least a component list. Some cranks and derailleurs have date codes. A serial number may help, as well.
Cottered or cotterless crankset?
5 or 6 speed freewheel?
Centerpull or sidepull brakes?
Cotterless.
7spd.
Brakes were originally sidepull, i think (upgraded years ago to 105s).
Serial 6238826