The Presta Valve is different from the normal Schrader Valve, you need to unscrew the Presta Valve screws on the tire first, then connect the Presta Valve Adapter to inflate the tire, and then tighten the screws on the tire nozzle after the inflation is finished.
How to use the Presta Valve on Xiaomi Portable Electric Air Compressor 2?
Does it help?
Yes
No