Optima (Pre-Owned)This model has been demoed or previously mounted. OPTIMA, our high performance with the same sleek, low profile design as our MODUS saddle and the greatest shock absorbing and gold standard in bike saddle comfort from our patented Reactive Padding. Zeta's specialized padding design for bike saddles was created by our founder to solve the complex issues of soft tissue and boney contact pressure and impact forces of the riders body against the saddle