evo.com | Specialized Floor Pumps > The Specialized Air Tool MTB Floor Pump gets air into big tires quickly. Designed for low pressure, high volume tires, it delivers up to 508cc of air per stroke. Pesky tubeless tires refuse to seal? Put em' onto the Air Tool before you seek out an air compressor and prepare to be amazed. Includes Spare Rubber Seal for Head Ergonomic Wing Handle with Pressure Relief Valve Volume per Stroke 508cc Switch Hitter 2 Head Automatically Switches Between Schrader and Presta Valves Designed for Low Pressure, High Volume Tires | Specialized Air Tool MTB Floor Pump 2026 in Grey | Rubber