RavX Dual Force X Alloy Mini Pump Double action Alloy mini pump Features: Double action stroke Alloy barrel Valve dust cap Includes bracket & velcro strap Alloy pins Kraton T- handle for better comfort & grip Max pressure: 120 PSI Fits both Presta & schrader valve with no adjustment necessary. Swiveling head compensates for pumping movement to reduce stress on valve stem.