

A ? after the year of an Olmo in this Registry designates uncertainty about Serial numbers are stamped on the seat lug on older bikes, or on the bottom bracket underside on later bikes (sometimes matchedīy a serial number on the fork steerer tube). Lower level models may not have serial numbers. Numeric serial numbers were used from the late 1970s, and then discontinued. Alphanumeric serial numbers were used before 1970. but bikes similarly numbered seem to be of the same time period. IT APPEARS THAT OLMO DID NOT FOLLOW A LINEAR ALPHANUMERIC OR NUMERIC SERIAL NUMBERING SCHEME Pre-1970 track/pista bikes are of interest. Later Olmos with date-ableĮlements are actively added, as well as pre-1978 Olmos. With decals, in order to attempt correlating an Olmo serial number to a year or year range. This Olmo Serial Number Dating Registry records Olmos with original dated bike parts or provenance, and sometimes only
