Lifeline essential track pumplifelines essential track pump provides a fast simple and accurate way to keep your tyres inflated to the correct pressure it has a maximum pressure of 140psi and is compatible with presta and schrader valves there is a hose clip for tidy storage a top mounted gauge for easy viewing a wide handle for extra comfort and a high volume barrel for fast inflation featuresdual purpose head fits both presta and schrader valves with no adjustmenttop mounted gaugepsi an