Compact, high-volume bicycle hand pump featuring a knurled barrel for superior grip while pumping Overlapping handle design constructed from machined aluminum, providing superior durability, minimal weight and style Integrated ABS Flex Hose is both Presta and Schrader valve compatible and greatly improves pumping action and ergonomics With up to 90 PSI (6.2 BAR) of pumping power, the Grip Drive HV is excellent for all high-volume bicycle tire applications Includes a lightweight Composite Matrix frame mount. GRIP PUMP HV M