The lezyne hp drive is a high pressure hand pump equipped with the abs flex hosethe pump barrel and shaft are made of aluminum with a composite matrix handle and end capsthe hp pump design easily inflates tires to riding pressure with fewer strokesthe overlapping handle and barrel are integrated into a compact designit comes equipped with lezyne39s abs flex hose which has a threaded presta connection with abs on one side and a threaded shrader connection on the othersmall 170mm 79gmed