• This is a simple bicycle tool that converts any Presta valve to a Schrader valve.
• The adapter is easy to install, lives on your bike and allows you to use any conventional bike pump or gas station compressors to air up your tires.
• Rubber O-Ring integrated to prevent air leakage.
• High precision threads designed for repeated use without affecting performance
• Made of Brass. Reliable, lightweight and no risk of corrosion.