With a conjoined secondary chamber that can be manually pressurized, the Pressure Over Drive floor pump is capable of conveniently seating tubeless tire systems An integrated foot-lever opens and closes the chamber, flipping the lever down creates a powerful, continued blast of air that can seat road, mountain and plus-sized tubeless tires A highly accurate analog gauge is incorporated into the pump for precision inflation when filling low or high-pressure tires Constructed from high-grade steel and aluminum, the pump body is extremely durable and features an extra long, nylon-reinforced braided hose Pressurized Analog PV/SV 220psi BlackUPC/EAN/GTIN: 4712805991532