2 valves are located inside the pump head. Unscrew the black cap, pull up the grey lever on the pump head, and the valve inside will automatically push out. Then you can switch to valve type according to the instructions. Ultra Light and PortableAlmost no weight and very compact, it can be fixed to the bicycle frame under the bottle cage with the mounting bracket. Pressure Gauge ; 100PSI Quick InflationMini Bike Pump has a capacity of 120 PSI and can be used to inflate bicycle tires during emergency repairs, or to maintain tire pressure during just one season. Now you're ready to fix your apartment anywhere. 17 IN 1 MULTI-PURPOSEComes with a glue-free puncture repair kit as well as a mounting bike attachment bracket and ball needle for inflating sports balls such as basketball, football, soccer, etc. Also great for mountain and road bikes, e-bikes as well as strollers, wheelchairs. Including 1 air cylinder, 1 fixing bracket, 1 Velcro, 2 fixing screws, 1 tire repair file, 2 tire levers, 1 ball needle, 1 glue-free tire repair only 6