mercian531@bellsouth.net wrote:
> I recently picked up a used Huret Duopar Eco model derailleur. Very
> interesting design! According to the archives it wasn\u2019t exactly the
> most robust derailleur ever made. Rolling a bike backwards could
> cause it to self destruct! That could definitely be a problem with a
> tandem.
I think the fragility of the Duopar is greatly overstated. I have had one of the original Duopar Ecos from ~1978 in pretty much continuous use on my commuter bike since new and it's holding up fine.
--
John Thompson (john@os2.dhs.org)
Appleton WI USA