With up to 120 PSI (8.3 BAR) of pumping power, the Grip Drive HP is excellent for all high-pressure bicycle tire applications a Compact and super efficient high pressure bicycle hand pump featuring a knurled barrel for superior grip while pumping a Proven engineered design with an overlapping handle a Constructed from machined aluminum, providing superior durability, minimal weight and all of the style a Integrated ABS Flex Hose is presta and schrader valve compatible, and greatly improves pumping action and ergonomics a Completely rebuildable and made with the best materials available a Valve Compatibility: Presta and Schrader Pressure: 120 PSI Includes Mount Bracket: Yes Length: choose; 186mm (Small); 231mm (Medium) Weight: 102g. (Large); 114g. (Medium)