• Gas shock / air tyre dual function combo pump
• Dual barrel, dual piston opposing pumping system
• Selectable dual function; Hi-pressure for gas shock or low pressure for tyre air
• 300PSI capable with fine-tune bleeder valve
• Precision 1.5” industrial-class pressure gauge
• Metal head fits Schrader w/Presta adapter
• Precision CNC butting alloy barrel