Our bicycle presta valve adapter is easy to use and converts any Presta valve to a Schrader valve, just install it on your bike and inflate your tires anytime.
The bicycle valve is made of high-quality copper and plastic, with an embedded O-ring rubber ring to effectively prevent air leakage. It has precision threads and can be used repeatedly without affecting performance.
Presta valve inner diameter: 0.6 cm / 0.2 in; Presta valve cap inner diameter: 0.8 cm / 0.3 in. It is small and light enough to carry with you anywhere.
Wide Application: These valve adapters are suitable for bicycles, road bikes, French bikes and most mountain bikes.