In three month you lost more than 75% weight in every one of the four tires? There is clearly something incorrectly. assignment expert - freshassignmenthelp. They are either damaged, you have an issue with your edges, or they just were not mounted legitimately. It is positively regular to drop a couple pounds of weight over that measure of time, yet not 20 or more pounds. Just does not happen unless there is some kind of issue.