David Goerndt wrote:
>
>
> Mold wear sounds reasonable as most of the differences don't seem to make
> much of a mechanical difference, on cosmetic such as the shape of the stop
> on the back side of the top pivot and the hole for the cable stop being
> slightly shorter on one.
I've seen a lot of variation in the back side of the top pivot in regards to the stop that is machined on the back that mates with the stop on the dropout. Enough so that some Gran Sports will bind on the dropout and some will pivot fine!
Chuck Schmidt
South Pasadena, California