Originally Posted by
bikemig
I assume it will work with an adapter in which case a lot of people may want it since the plastic/delrin simplex FDs tend to crack.
Nope.
It uses a different braze-on, in a different place.
As far as I know no adapters are commercially available.
I made adapters from a Simplex single-gear-guide, but it takes machine tools and a bit of brazing or silver-soldering on the guide.
So yes, some people will want it, if they have a frame with that braze-on (or can do the work).