Charlie Young wrote:
>
> Someone told me that the distinguishing feature was the location of the
> fixing bolt on the FD cage. Vertical for the Gran Sport and horizontal for
> the Valentino. Can anyone substantiate that?
The two most obvious things to tell if it's a Valentino front derailleur is the forward facing bolt on the cage and the boss that is cast on the body where the rod exits the body.
The original Gran Sport and Valentino front derailleurs don't actually share many parts at all.
Chuck Schmidt
SoPas, SoCal