The Fizik Ares is made specificly for Time Trials, tested and approved by champions. Spine Concept is the fi’zi:k guideline to the right saddle choice. It realizes that cyclists have varying degrees of flexibility and human flexibility affects riding behavior when cycling in a high performance position. The Fizik Ares features a Rilsan Carbon Reinforced shell and a microtex cover and sits atop K:ium rails. Weighs 199 grams.