ROCKBROS Bicycle Presta Valve Adapter 2 pieces

$6
  • Perfect adapter:Convert Presta valve to Schrader valve.
  • Convenience:Bike tire can be inflated using standard Schrader pump.
  • Easy to use: Direct replacement,easy to install.
  • Material: Aluminum alloy with rubber o-ring seal(Strong and Durable).
  • Mini size:Corki bike valve adapter can be left on the tire stem,so it's always available to inflate your tires.