Mark Petry wrote:
> Here is a "mystery" Simplex derailleur that is not shown in
> "The Dancing Chain", it is similar to a Juy 541 but has no
> markings for 3,4,5 speed cogs.
> Anybody seen one like this or know what model it might be?
Nelson Miller showed me one that looked just like a 543 except where it should have said "5-4-3", this one just said "4-3". Maybe an older one, before 5-cog blocks? Don't know how your fits into this scheme.