Campagnolo crank production years

Submitted by dciadmin... on Wed, 02/10/2021 - 12:52

Campagnolo production year for a crank

From 1958 - 1972 Record crank arms were not dated.
From 1973 - 1979 the year is the last digit in a diamond.
From 1980 - 1984 the year is the last digit in a circle.
An "11" in a rectangle means 1985, an "22" in a rectangle means 1986  and "33" means 1987.

More about BCD 144 and BCD 151

Campagnolo crank before 1966
Campagnolo crank 1973
Campagnolo crank 1976

 

Campagnolo crank 1979
Campagnolo crank 1980

 

Campagnolo crank 1982
Campagnolo crank 1985

BCD explained.

 

BCD expained
BCD explained.

Chainrings are most often measured in reference to their Bolt Circle Diameter (BCD).
BCD is literally the diameter of an imaginary circle that connects the centers of all the chainring bolts.
 

BCD 151 (1957 -1966)
BCD 144 (1966 -1987)
BCD 151 (1957 -1966)
BCD 144 (1966 -1987)

 

Year
1957-87
Model
SP-Rec-Nuovo
Info
BCD 151 - 144 Production years 57-87

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