Compatible Valves: Schrader, Presta and English Air Pressure Limit: Up to 260 psi Gauge: 2.5" Top Mount Gauge for High Visibility Material: Main body (aluminum), handle (steel), 6063 aluminum barrel with aluminum sleeves, foot base (anti-slip steel) Pump Head: GCT-TU/Switching Lever Polished Aluminum Clever Twin Valve Valve Head Function: With Air Release Mechanism Aluminum main core (reversible twin valve) to hold valve securely Special design for tubeless Product Size: Total Length: 27 inches (68 cm)