It's 3 functions air chuck and have patent No.
For compeption bycicle that have presta valve.
one side is schrader and dunlop spec. another side is Presta spec.
Total length: 48mm
The tail is cannulate
Country of Origin：Taiwan,Taipei
Competitive Advantages：Well and High Quality Control ,OEM Accepted
Sales Method：Export ,Manufacture
Payment Terms：T/T
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