The fizik aliante versus x saddle is a great way to gain more comfort on a road ride thanks to its unique design to relive pressure the deeper 20mm pressure relief channel design in the middle of the saddle is great for the riders that prefer a full cut out for maximum pressure relief to give a more comfortable ride the fizik bike saddle has then been kitted out with a nylon carvon reinforced base that not only keeps weight down but also keeps the saddle strong and sturdy by reducing sag and