Originally Posted by
Alexthe
...cotter pins cotter pins,..... hum I have safety pins , Ive worked with . yes of course, I have heard of them, many year, but have yet to work with them .
so do you suppose she has a cottered or cotterless crank ??
You have cotterless cranks.
EDIT: Here's a cottered crank from another old Motobecane (Mirage, new in 1975). The top of the cotter pin (It's not like what we think of when we say "cotter pin") is visible sticking out of the crank.
1975 Motobecane crank and chainrings