Designed for high volume and low pressure tires, the Air Tool MTB pump ensures precise inflation so your tires are ready for all conditions. - Oversized gauge 76 mm. - Large volume aluminum body (508 cm³) providing enough volume to set up Tubeless tires. - Ergonomic Wing handle with purge button. - SwitchHitter II technology for automatic valve selection. - Includes a replacement rubber gasket for the connection. - Max pressure: 5.2 bars (75 psi). - Volume per stroke: 508 cm³.