The Lezyne HV Drive is a high volume hand pump equipped with the ABS Flex Hose. The pump barrel and shaft are made of aluminium with a Composite Matrix handle and end caps. The overlapping handle and barrel, with oversized piston and shaft, are integrated into a compact design. It comes equipped with the ABS Flex Hose and a Composite Matrix frame mount. Features Medium: 216mm | 109g. Max: 90psi | 6.2bar. Aluminium pump barrel and shaft.