Compact, high performance mini pump that readily Integrates with other Daysaver tools (sold separately). Up to 80 psi Capable of inflating MTB and gravel tires up to 80psi. Optional innovative pump hose Compatible with the Screw on-Pull off Hose (sold separately). Not compatible with standard Schrader valves Compatible with threaded and unthreaded Presta valve stems (not compatible with Schrader valves)