The maximum pressure value of the bike air pump is 220PSI and the single intake volume is 80ml, a special foldable bike floor pump design increases usage way, making the inflation speed faster and more labor-saving 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 bike bag The pump takes a T-shaped air nozzle and fits Presta & Schrader Valves. There is a hidden precision pressure gauge that is easy-to-read PSI Made of superior quality aluminum alloy with precision parts for durability. Sealed air inlet and EPDM heat-resistant, freeze-proof tubing allow smooth airflow Suitable to inflate electric bikes, mountain bikes, road bikes, basketball, football, swimming rings, etc. Specifications: Product Name: T-shaped portable pump Item Number: 42310005001 Material: Aluminum alloy/EPDM/POM/Silicone Peak Pressure: 220PSI Height: About 17cm (Not expanded), 29.7cm (Fully expanded) Diameter: About 3cm Size: 17x4cm Weight: About 170g