Lezyne damper pump The Shock Drive damper pume impresses with its light, compact and clean design, it is from a 100% CNC edited aluminum construction. Due to the removable pump hose, it is easy to connect to the valves. In Lezyne's damper pump, there is a precise, water -repellent manometer integrated on the hose. This has a maximum display of 300 PSI/ this is 20.7 bar Material: Aluminum CNC edited Schrader valve set With pressure display and ventilation button S-Tec SPORTS S-Tec SPORTS GmbH Managing Director: Henning Schwiese Commercial register: Duisburg HRB 16469 Ust-Idnr.: DE 231599396 Beckmannstege 10 46514 Schermbeck .