A floor pump specifically designed for mountain bike and other high volume tires featuring a large 3.5" easy-to-read base-mounted analog gauge for measuring tire pressure accurately. The super-sized barrel delivers nearly 50% more air per stroke than normal floor pumps and inflates up to 60 psi / 4 bar quickly. Equipped SmartHead pump head automatically adjusts to fit either Presta or Schrader valves and is one of the best value floor pumps on the market. HEAD SmartHead with extra-long hose BARREL Painted steel HANDLE / BASE Engineering grade polymer GAUGE 60 psi / 4 bar, 3.5” base mount analog SIZE 66 x 24.5 x 18 cm / 26" x 9.6" x 7.1" WEIGHT 1.33 kg / 2.93 lb VOLUME PER STROKE 683 cc LARGE 3.5” EASY-TO-READ ANALOG GAUGE SMARTHEAD WITH EXTRA-LONG HOSE Automatically adjusts to fit either Presta or Schrader valves SUPER-SIZED BARREL Inflates nearly 50% faster than normal floor pumps