Quality Brass Material: The bicycle valve adapter set is made of high quality brass and plastic, corrosion resistant, not easy to fade after long-term use, durable, long service life and has threads and soft rubber to prevent leakage Suitable for Most Pumps: Standard size adapters are suitable for most bicycle pumps, such as Dunlopventil (DV), Presta Ventil, Blitzventil (BV), Sclaverandventil (SV), Presta Ventil auf => Schrader / Autoventil (AV) Simple Installation and Easy to Carry: These bicycle valve adapters are simple to install and easy to use, which will allow you to inflate tires and pumps with a car floor pump or compressor. Designed with threads and gaskets to ensure a tight seal when inflated, they are lightweight, small, easy to carry, and easy to use when you need them. Value Pack: 4 x DV/SV valve adapter, 2 x AV valve adapter, 2 x SV valve adapter; 2 ball pump needles; 2 ribbon-type inflation nozzles; 2 black tapered adapters and 12 sealing rings, this device can meet your needs without worrying about installing the wrong pump Widely Used: These standard size bicycle valve adapters are suitable for most common air pumps, not only for mountain bikes, road bikes, etc., but also very suitable for inflatable equipment, air cushions, swimming rings, exercise balls, balloons, etc. Quantity delivered: 26 pieces Welcome to meet