Fi'zik Thar features an interchangeable tension system allows the rider to customize the saddles flex with tuner inserts.
Long rails allow for more fore-aft adjustability; designed for 29ers
Nylon carbon-reinforced shell
Integrated Clip System (ICS): tool-free interface in the saddle base that allows quick attachment and removal of fizik packs and blink lights (ICS is found on all saddles unless noted)
K:ium Rail: special alloy with a high strength-to-weight ration and excellent vibrations damping (8% weight reduction compared to solid titanium)