The Lezyne Tech Drive HP is a sculpted CNC machined high pressure hand pump. The handle barrel & shaft are made from aluminum with Composite Matrix end caps. The HP pump design easily inflates tires to riding pressure with fewer strokes. The overlapping handle & 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 & a threaded Shrader connection on the other.SMALL: 170mm 87g MEDIUM: 216mm 100g MAX: 120psi 8.3bar