PURPOSE: To provide the effect of right and left compliance steering reduction relative to the toe angle change of a tire by joining the end part of a toe control arm to the inside of the hollow part of a trailing arm.

CONSTITUTION: In a hollow type trailing arm 5, it is constituted so that one end of the toe control arm 12 of the trailing arm 5 can be joined to a vehicle body stationary member 20, and the other end of the toe control arm 12 can be joined to the inside of the hollow part of the trailing arm 5.