High quality: bike valves are made of premium quality brass which is good for long time using.
Compact and practical: Lightweight, practical, convenient to install and easy to use, simply screw and inflate automotive pump, compressor. This will enable you to use a car foot pump or compressor to inflate your tyres and pumps. Easy to use adapter for converting presta bicycle valve to Schrader valve
Great Sealing Effect: the bike valve caps and bike valve adapter are fine workmanship with a rubber O-ring which help prevent leaks, no air leakage anymore.
Universal: The standard size adaptor fits most bike pumps. Suitable for mountain bikes, road bikes, fixie bikes with Presta valve tubes, also ideal for inflatable toys, Air bed, gym ball, balloon, Yoga Ball, swim ring, ect.