>My friend Shaun Wallace (Noteable British born track star) is
> attempting to
>construct what he calls a "donkey back" tandem. He wants gearing
> for it and
> >called me asking about a Suntour rear derailleur that mounts under
> the RH chainstay.
In a 97-8 Third Hand catalog, they list a tool to align the Suntour S-1 der hangars. The tool will check the adjustment of the hanger, but will not physically adjust it. You use the regular der hangar tool for that.
Catalog number is #ST-TAS1 for $11.95. Hurry before they are completely gone.
Steven Johnson, Chesapeake, VA