The Aliante is 1 of fi′zi:k′s 3 Spine Conceptª Mens Road Saddle shapes. Of these 3, the Aliante shape is the widest and most longitudinally waved.Fi′zi:k launched the first Aliante in 1999. During the intervening fifteen years it has become one of the most loved and favoured saddles in the world, by both pros and enthusiasts alike. 2014 marked a milestone in the evolution of the Aliante with the launch of an all-new sleek profile. Going from Curvy to Skinny, the new Aliante delivers low weight and a sharp aesthetic. Aliante R5 K:ium is for The Bull: Rigid Spine.If you have a relatively low degree of spinal flexibility (more than 90 degrees between your straight legs and back when bending over as far as you can, keeping your legs straight a shoulders′ width apart), you are a Bull. Your degree of Spinal flexibility will top out quite quickly when attempting to adopt the performance position. For this reason you will rotate you pelvis fully.You will benefit from the increased curvature (support) of the Aliante shape. Shell: Carbon-reinforced nylon Twin Flexª Ôsweet spot′ at the centreRail: K:iumScuff guards on either side towards rear of saddleIntegrated Clip System: YesLength: 265mmWidth: 140mmWeight: 245g