ITEM NAME:Aluminum Alloy Bike Convert Air Nozzle Practical Converter Durable Nozzle.5pcs Pump Bicycle Convert To Copper Bike Air Valve Adapter Wheels Gas Nozzle. We'd like to settle any problem in a friendly manner. Material: aluminum alloy. mouth switch head 5. There is a sealing ring inside, it is easy and effortless to pump, and the mouth is beautiful for the mouth.
