4 rail saddles have different needs than 2 rail types the SA -003 (formerly Breezer seat sandwich) is a workaround to use a 4 rail saddle in a seat post designed,
as Most Are, for 2 rail saddles ..
the straight seat posts are 7/8" (22.2mm) on top, as a standard..
I really like the saddle, but don't feel safe using it with the factory seat post clamp.
as I read before, there .. is a lot of rider mass being placed on the saddle
but that standard saddle clip , has been used, as has the saddle it self, for 100 years ...