Originally Posted by Tim_Iowa

Yes, I tried a very similar bike saddle. I used it on a Chicago Schwinn 3-speed refresh.

The saddle was a loose, floppy mess. It moved so much side to side when pedaling, it felt like a hammock.

I've since used real Brooks saddles with springs (B17 Flyer), and while the Brooks is bouncy it's at least well-built and doesn't "sashay" like the knockoff. A knockoff saddle like this is only recommended for a show bike that never gets ridden.