The Transiro Aeris Short Distance R5 is a balanced, stable triathlon and time-trial cycling saddle featuring a generous pressure-relieving cut-out for greater comfort for aero-focused athletes. - Aeris: Triathlon saddle designed to provide support and stability while in the aerodynamic time-trial position - R5: Combination of a ride-compliant, carbon-reinforced nylon shell and an S-Alloy rail - Integrated hydration mount: An optional link serves to integrate a water-bottle cage onto the back of the saddle