Progressive Suspension GP3-300 &#39;0-300 PSI&#39; Mini Gauge Pump A handy source of air pressure for adjusting pressure in your forks and air shocks Comes complete with flexible hose and integral gauge Gauge mounted on pump body for easy servicing on air forks and air shocks Pressure can be lowered without detaching pump 1 way check valve prevents pressure drop when pump is removed and it has 8 feet flexible connector