Fizik Transiro Aeris Short Distance R3 Adaptive Saddle Maximum Support and Stability When you're in the middle of a race, the last thing you want to worry about is how uncomfortable your saddle is. With the right saddle for your riding style and body, you'll be able to ride as long as you want with less discomfort. The Fizik Transiro Aeris Short Distance R3 Adaptive Saddle ensures maximum stability and support for time trialists and triathletes requiring an optimal platform from which to produce power while in forward, aerodynamic riding positions. The R3 carbon-reinforced nylon shell and a Kium hollow rail provide excellent ride compliance and the integrated hydration mount lets you store a water bottle cage on the back of the saddle with an optional link. Features Carbon Digital Light Synthesis 3D-printing technology that offers seamlessly engineered zonal cushioning Triathlon saddle designed to provide support and stability while in the aerodynamic time-trial position Carbon-reinforced nylon shell and a Kium hollow rail for excellent ride compliance SPECIFICATIONSDimensions (Lx W)243 x 135mm Cover3D-Printed Shell Carbon-Reinforced Nylon Padding Adaptive Rails Kium Hollow Rails 7x7mm Intended Use Triathlon Weight189g | Fi'zi:k | Transiro Aeris Sd R3 Adaptive Saddle 135Mm | Nylon