Originally Posted by
jhefner
The C&V setup in the 1970s was a chain; either store-bought with a clear plastic tube over it, or a homemade version with an old inner tube around it. It was locked with a Master lock, and wrapped around the seat post when not in use.
I used a plastic covered cable in the 1970s. They were available in both straight and curled. I carried mine in a handlebar bag. People with good bikes did not wrap a chain around their seat post!