Fizik aliante gamma kium bike saddleenjoy unrivalled comfort with the alicante bike saddle from fizik. Featuring one of the widest shapes on the market, this saddle is suitable for both road and mountain bike mtb use. It also includes a kium rail and twin flex, for a flexible and stiffer alternative that doesn't compromise on comfort. Aliante gamma 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 your pelvis fully. You will benefit from the increased curvature support of the aliante shape.features use mountain bike, road shell material nylon carbon reinforced with twin flextrade lsquosweet spot at the centre rail material kium scuff guards on either side towards the rear of the saddle integrated clip system yes length 265mm width 141mm stiffness flex twin flex weight 258gbuy fizik components from chain reaction cycles, the world's largest online bike store.