An air valve connecting device or attachment includes a mouth engaged in a housing and having a compartment for engaging with either a US or French inflation valve, an actuator slidably engaged in the housing and engageable with the mouth, a tube slidably engaged in the actuator for selectively engaging with the inflation valve, and extendible into the mouth for selectively engaging with the other inflation valve, one or more catches are slidably engaged in the actuator and engageable into the actuator for engaging with the tube and for retaining the tube to the actuator, and a cam member is engageable with the actuator for forcing the actuator to compress the mouth and to grasp the inflation valve to the housing.