BBB - DualPressure Shock PumpBBB DUALPRESSURE SHOCK PUMP Designed with mountain bikes in mind, BBB's DualPressure offers two pumps combined into one. The pump features a special switch on the bottom of the shaft. The switch regulates high or low pressure, depending on the need to inflate either a tyre or shock system. The DualPressure fits Presta, Schrader and Dunlop valves, inflating up to 21 bar 300 PSI which is easy to read on the analoge gauge. The DualPressure is the key to