he Topeak JoeBlow Mountain II Floor Pump is engineered for mountain biking enthusiasts, featuring a super-sized 44.4 mm steel barrel that delivers 722 cc of air per stroke—nearly 50% faster inflation compared to standard floor pumps. Its TwinHead pump head seamlessly fits Presta, Schrader, and Dunlop valves, complemented by an air release button for precise pressure adjustments. The large 3.5” base-mounted analog gauge offers clear readings up to 60 PSI (4 bar), ensuring accurate inflation for high-volume tires. An extra-long hose enhances reach, while included ball and bladder needles expand its versatility for inflating sports equipment. Weighing 1.59 kg and measuring 69 x 25 x 19 cm, this pump combines durability with user-friendly features, making it an essential tool for both home and trail use.