Presta Valve Adapter for Air Compressor, Convert to Schrader Brass Bikes, Inflate Tire by Standard Pump or Compressor - Built-in sealing ring effortless pumping (4 Pack)

CONVENIENT INFLATION: This presta valve adapter can convert your presta valve into schrader, so you can inflate your tire with a standard schrader pump or car air compressor. Much cheaper and less wasteful than buying a new tube!, EASY TO INSTALL: Just loosen the tip of the presta valve to a suitable place and screw on the presta valve adapter, then connect to a schrader pump or air compressor to inflate., DURABLE CONSTRUCTION: Manufactured with high-quality solid brass, which is more durable and stronger than alloy aluminum. The built-in o-ring rubber seal protects against air leakage. The precision machined threads ensure a longlasting and secure con, ALWAYS BE PREPARED: This compact and light presta valve adaptor can be stored in your riding bag or jersey while you ride, or left on the tire. So you are always prepared to inflate anywhere and anytime. Keep your bike rolling!, VERSATILE: These valve stem adapters are suitable for mountain bikes, electric bikes and more.