Big set of bicycle valve adapters: Bike pump mouthpiece is your best choice, and the 12pcs different specifications can meet different inflatable equipment. Don't worry about other specs. Suitable for Dunlop (DV), Presta, Sclaverand (SV), Presta on =andgt; Schrader / Car valve (AV) High quality bicycle pump nozzle: Suitable for equipment that needs to be inflated to prevent air leakage, made of high quality pure copper, corrosion resistant, does not change color after long time use. Ultralight and easy to carry: 50g inflation nozzle takes up very little space and is very comfortable to wear. You won't even feel the weight when riding and it won't add extra weight to your luggage. A small mouth to solve all inflatable problems. Widely used: 15 pcs Inflation Nozzle Adapter ,Adjusts improper valves on air pumps or gas station compressors. Basically suitable for all common valves. Suitable for mountain bikes, road bikes and Fixie bikes with Presta valve tubes, also ideal for inflatable toys. Air bed, sports ball, balloon, yoga ball, swim ring, Aolange installed, it can inflate various specifications without purchase The package contains 15 different specifications. Adapter: 4x DV/SV valve adapter, 2x AV valve adapter, 2x SV valve adapter, 2 x Ball pump needle, 3x Tapered inflatable nozzle. Ball pump needle. The ball pump needles balls can be used to inflate different balls. Save on the cost of buying other parts. Tapered Inflatable Mouth. You can also easily inflate the buoys and inflatable water pillows without worrying about finding the right inflatable mouth. Easy to install. Just find the adapter for your bike's inflator model and screw it on. Contents: 6 x DV/SV valve adapters. 2 x DV/SV valve adapters. AV valve. 2 SV valve adaptors. 2 ball pump needles. 3 conical inflatable nozzles.