COMFORT- The SuperFlow technology in this road bike saddle drastically reduces all physical limitations caused by prolonged pressure in the perineal area when riding DURABLE & LIGHTWEIGHT - Our MTB bike saddle has a technical cover material, Duro-Tek, that guarantees a strong and durable lifetime at a very low weight RIGHT FIT - Available in two sizes to provide an option for most rider's sit bone widths and a more comfortable ride STEEL RAILS - The SP-01 TM SuperFlow bike road saddle is made with 7mm high strength and flexible cromoly and manganese alloy rails and is easy to install on nearly any bike OUR GUARANTEE - Selle Italia guarantees its products against material and/or manufacturing defects for twenty-four (24) months from the date of purchase