Due to an upgrade to Drupal 10, the appearance has changed significantly. Mistakes are not excluded. Please let me know if you find any.
Contact us here - - -Your unknown or known course frame - bicycle - part here

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

DCI-bikes

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'.