Abstract: A tire bead breaker, used when mounted on a winch which is mounted on an ATV, to squeeze a tire seated on a rim, said winch having a hook ended cable extending between two vertical rollers carried on a winch frame, comprising: an inner and an outer arm, each arm having a one end portion pivoted to the other arm, and an opposite end portion carrying one of two opposing wheel jaws; wherein the inner arm has a central portion adapted to seat against the vertical rollers on a front portion of the winch, and a winch attachment means to hang and maintain the tire bead breaker in an operable position in front of the winch.