If air escapes from the wrong opening, the pump head is probably not seated correctly on the valve. Push the MV EASY head fully onto the valve as far as it will go, so that the air flows correctly into the tyre.
If air escapes from the wrong opening, the pump head is probably not seated correctly on the valve. Push the MV EASY head fully onto the valve as far as it will go, so that the air flows correctly into the tyre.