Originally Posted by
Dirtdrop
The cotters hold the crank arms onto the spindle. The pedals screw into holes at the other end of the crank arms. You don't have to know anything about bicycles to understand that. Just go look at one.
I suppose I missed the class the day my first grade teacher introduced us to the marvelous invention known as the cotter. Silly me!
Thanks for enlightening me and showing me my ignorance.