Inflation nozzle capable of connecting with two types of tire valves

An inflation nozzle includes a first part having a first threaded passage defined centrally therethrough and a connection ring is threadedly connected to a first end of the first part. An insertion is formed on a second end of the first part and is engaged with a first chamber of a central member which is received in a second part. The central member is connected with a tire pump. The first passage is sized to be connected with a French valve and the connection ring is sized to be connected with an American valve.