The first pump offering function and accuracy at low and high pressures. With its two air chambers our Vernon 2.0 Dual Floor Pump is the ideal pump for riders with multiple bikes.Simply flip the gauge to your preferred discipline. In ROAD mode the pump delivers a high pressure with a gauge that is calibrated to show up to 160PSI / 11 BAR to allow for accurate pressure. In MTB mode a second chamber is engaged to provide air at high volume. In this mode the gauge is flipped and you can reach accurate pressure with a 40PSI / 2.8 BAR gauge. The gauge is positioned beside the ergonomic handle to allow for easy reading of the desired pressure.