the fizik arione vs x k:ium belongs to the gamma revolutionary fizik versus x. with new construction and the padding of the seat and a 20 mm channel design, gamma versus x stands out by offering the best support with the minimal contact on the surface of the saddle. its central channel prevents unwanted pressure in the area of prostate, avoiding future possible discomfort and injury. this type of saddles are geared for short routes and for bikers who prevail comfort above other factors. fizik arione vs x k:ium model is listed as "snake", which is recommended for cyclists with flexible column. greater flexion of the lower column of the "snake" cyclists allows you to use the entire length of the saddle making that the body weight is supported by the pelvic bones. other features are its shell of nylon and reinforced carbon, offering considerable freedom of movement, and the surface of microtex, which, together with wing flex technology, enhance your comfort and lightness (250 g.). its rails k:ium are highly resistant to corrosion, and ics integrated clip system allows rider to incorporate accessories to the saddle (lights, rear bag). features:-belongs to the gamma versus x, characterized by its ergonomics and comfort. -classified as "snake": recommended for cyclists with flexible column. -rails k:ium. -nylon and reinforced carbon housing. -microtex cover with a layer reflective termomoldeable. -system wing flex. -clip system integrated ics that can incorporate accessories such as lights or rear saddle bags saddle. -dual injected foam with specific formulation. -weight: 250 gr.