ROCKBROS Mini Bike Pump Portable with Hidden Pressure Gauge Fits Valves 220PSIProduct description [More Time Saving ] The maximum pressure value of the bike air pump is 220PSI and the single intake volume is 80CC, a special foldable bike floor pump design increases usage way, making the inflation speed faster and more labor saving. [Compact and Light] The bicycle air pump is lightweight and compact, perfect for emergency use during bike cycling or long distance, doesn't take up space and weight, suitable for putting in your