PURPOSE:To enhance the holding property of performance set at an initial alignment by providing a slot with an inclination, in an adjusting mechanism for moving the supporting pin of a suspension link inside the slot. CONSTITUTION:A slot 40, in which a supporting pin 20 is fitted, inclines by thetain such a way as to go down outward a vehicle body with respect to the longitudinal direction of a backward upper line 6. The inclination theta is set as large as possible so as to make a roll steer ratio smaller. However, the inclination theta of about 30 deg. is preferable because too large an inclination deteriorates adjustment rate. Meanwhile, the slotted hole of a crossbar for supporting a lower link extends in the longitudinal direction of the lower link. This constitution decreases variation in wheel alignment accompanying a suspension stroke and caused by the misalignment of the supporting pin so as to hold its performance set at an initial alignment.
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