The Aliante is 1 of fi\'zi:k\'s 3 Spine Concept™ Mens Road Saddle shapes. Of these 3, the Aliante shape is the widest and most longitudinally waved.The Aliante R1 is the top-of-the-line saddle available in this shape. The composite carbon shell with co-injected nylon Twin Flex™ \'sweet spot\' at the centre, and carbon braided rail, make this a lighter and stiffer alternative to the Aliante R3 Braided, R3 K:ium, R5 K:ium and Gamma models, whilst not compromising comfort.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.Aliante R1 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.Shell: Composite Carbon with co-injected nylon Twin Flex™ \'sweet spot\' at the centre,,Rail: Carbon Braided 7x9mm,Scuff guards on either side towards rear of saddle,Integrated Clip System: Yes,Length: 265mm,,Width: 140mm,Weight: 185g.