Topeak JoeBlow Booster Floor Pump - 160psi / 11bar SmartHead DX3 Black/GrayTopeak JoeBlow Booster Floor Pump 160psi 11bar SmartHead DX3 Black Gray. The Topeak JoeBlow Booster pump makes it easier to install tubeless tires. This pump has an integrated aluminum air chamber that stores an air charge of one liter up to 160psi 11 bar to quickly fill your tire and ensure the proper bead seating on a tubeless rim. Once you flip the selector from CHARGE to INFLATE mode air bypasses the chamber and flows directly into your tire like