The Fi'zi:k Antares Versus X K:IUM Road Bike Saddle combines the proven Spine Concept technology with a larger central relief channel. A 20 mm deep channel design allows a greater pressure relief maintaining the stiffness and durability of a solid base saddle.
The Antares shape is wide andly curved in profile which is ideal for riders with medium spine flexibility. The Antares Versus X K:ium adds the Comfort Channel along the length of the saddle. It features a carbon reinforced Nylon shell for support with optimized stiffness to-weight construction -- with Wing Flex technology which enables flexibility where your thighs meet the saddle -- and an alloy K:ium rail for light weight and strength.