The lezyne gauge drive hp is a compact hand pump made of custom cnc machined aluminum for precise and lightweight construction 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 lezyne39s abs pen gaugea precise and compact in line pressure gauge compatible with presta and schrader valvesspecsmedium 232mm 199gcolors blacksilvermax 120psi 83 bar