That's a Duo-Par. Look at the bottom knuckle (where the main parallelogram plates attach) nearest the front of the bike. It will either say DUOPAR or DUOPAR-ECO on it. If it says the former it is a Titanium model, if the latter, it is a less expensive steel version.
Kurt Sperry Bellingham, Washington USA
2009/6/16 Hangen, Dave <davehangen@yahoo.com>:
> Hello
>
> We currently have on Ebay a Sachs/Huret rear derailleur. This is later than we normally deal with and I have not found information about which model it is. Can anyone shed some light?
>
> Item # is 360162560242
> Seller retrobicyclesupply
>
> Thanks
> Dave Hangen
> South Windsor CT USA