Lezyne hp drive pump mediumthe lezyne hp drive is a high pressure hand pump equipped with the abs flex hose the pump barrel and shaft are made of aluminum with a composite matrix handle and end caps the hp pump design easily inflates tires to riding pressure with fewer strokes the overlapping handle and barrel are integrated into a compact design it comes equipped with lezynes abs flex hose which has a threaded presta connection with abs on one side and a threaded shrader connection on th