The Freeflex ST 14 X ski binding features even more precise control and maximum speed. Adaptive Suspension Technology uses independent spring-loaded pincers, an adjustable pressure point through two mounting positions, and a steel base plate between the plate and the binding for more direct power transmission. The Freeflex ST 14 X ski binding features even more precise control and maximum speed. Adaptive Suspension Technology uses independent spring-loaded pincers, an adjustable pressure point through two mounting positions, and a steel base plate between the plate and the binding for more direct power transmission.