Designed to meet the growing demand for comfortable and ergonomic saddles \n Central Superflow hole allows pressure to be relieved from the perineal area \n Fibratek is Selle Italia's latest cover material offering supreme durability \n Ti 316 7mm rails are hollow titanium, a balance of strength and light weight \n L3: “Wide” intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles)