AERIS Triathlon saddle designed to provide support and stability while in the aerodynamic time-trial position R3 Combination of a ride-compliant, carbon-reinforced nylon shell and a Kium hollow rail with high strength-to-weight ratio SPLIT NOSE The nose is split into two halves for an unprecedented pressure-relief system that maintains the firm support and balance needed for long hours spent pedaling in the aero, time-trial position INTEGRATED HYDRATION MOUNT An optional link serves to integrate a water-bottle cage onto the back of the saddle