My off-topic Dura-Ace SIS DT index shifters recently died, so I replaced the shifters and rear derailleur with on-topic Simplex Retrofriction levers and a Huret Jubilee rear derailleur. This works ok, but the small barrel on the Simplex shifters means there's an awful lot of cable wrap, especially with the off-topic "aero" bars on the bike. I think a real Simplex derailleur would work better, so if anyone has a used, not pristine Simplex SLJ rear they'd like to swap for a used, not-pristine Huret Jubilee rear (including Campy dropout adapter), please let me know.
I have some pictures available here:
http://www.os2.dhs.org/
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-John Thompson (john@os2.dhs.org)
Appleton WI USA