Fizik Vento Argo R3 Adaptive Saddle - Kium 140mm Black. The Vento Argo R3 Adaptive is a versatile short-nosed cycling saddle featuring the revolutionary zonal comfort of 3D-printed cushioning and the high strength-to-weight performance of the Kium hollow rail system.Adaptive: Carbon Digital Light Synthesis 3D-printing technology offering seamlessly engineered zonal cushioningArgo: versatile short-nosed saddle that encourages stability and relieves pressure on soft tissueR3: a combination of a ride-compliant carbon-reinforced nylon shell and a Kium hollow rail with high strength-to-weight ratio