Thats a Campagnolo Synchro index shifter. The smaller lever converts the action from index to friction. From memory this would be about 1987-89. The Synchro 2 lever lacked the friction option. DB Auckland, NZ
Tom Hayes wrote:
>I have a set of Campagnolo shifters (thank you, Russ) that I would like to
>identify and understand. They are braze-on, with highly polished smooth
>shifter arms, with the winged logo toward the top. The rear derailleur
>shifter, the one I need understand its function, has a small lever mounted
>next to the big shifter. The smaller lever can be moved forward (ahead of
>the regular lever). When so moved, one can see two small holes, one
>smaller than the other, and each hole containing a set screw that can be
>accessed from the other side of the smaller lever. (I suppose a picture
>here might be worth those hundred or so words, huh?)
>
>Does anyone know, based on that description (or I could send a jpeg), which
>model of shifter this is and what function the smaller shifter and the two
>sets screws perform?
>
>Once again, thank you for your knowledge and thanks to Dale for providing
>the forum (got to get the yearly public thanks to Dale. Watch him rule
>this as an "atta boy" and kick me off the list.)
>
>Cheers.
>
>Tom
>
>Tom Hayes
>18585 Munn Road
>Chagrin Falls, Ohio 44023
>hayesbikes@nls.net
>hayes@jcu.edu