DescriptionAdapter pneumatic tires using standard pump or air compressorProduct description: For French bicycle built-in sealing rubber ring leak-free full brass + rubber ring (make sure sealed) using air pump - you forgot to inflate your tires before riding? It can place data ny filling stations and inflate quickly. To prevent damage to the wheels, clamp flat shoes to prevent accidental re-wear caused by low-pressure tires. Simply screw in the adapter to inflate or check the tire pressure. High Quality Brass - This bike accessory is made of high quality solid brass for durability and has precision threads that can be fixed to the air pump. Small and compact: This small size adapter is easy to carry and the adapter can replace the tire bumper so you are always ready to go. It can easily carry your bike bag or jersey. Product includes: 10x adapter head