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Road bicycle / frame of the month, unknown: Gios torino road frame?

Merckx Eddy bottom bracket lugs (shell) serial numbers and model description

Submitted by dciadmin... on

Vintage Merckx Eddy bottom bracket lugs (shell) 
Serial numbers and model description

1980: Early lugs usually have no letter, only numbers. There are apparently prototypes where 1000 were produced.
E-series: 1981–1984 BB lugs marked "E" from 1981 to mid-1984.
Z-series: 1984–1986 BB lugs marked "Z" followed by numbers.
A-series: 1986–1988 BB lugs marked "A".
B-series: 1988–1990 BB lugs marked "B".
C-series: 1990–1991 BB lugs marked "C".
D-series: 1992–1993 BB lugs marked "D". 
F-series: 1994–1995 BB lugs marked 'F'.