By using two leaf springs, for the purpose of increasing spring strength, improving ride comfort, and improving stability in turning, A wheel support rotatably supporting the wheel; An upper control arm disposed laterally to connect the upper side of the wheel support to the vehicle body; A strut bar arranged in the longitudinal direction of the vehicle body to connect the lower side of the wheel support to the vehicle body; The upper end is hinged to the inner side of the wheel support, the upper end is connected to the frame, and the plurality of leaf springs whose length is gradually decreased are stacked to form a U-bolt and a saddle A first leaf spring assembly formed of a single assembly and having opposite side ends connected to the underside of the wheel support; A plurality of leaf springs whose lengths gradually become smaller are stacked and the U-bolts and saddles of the central portion are fastened to each other to form a single assembly and are arranged crosswise on the upper side of the first leaf spring assembly, And a second leaf spring assembly disposed between the first and second leaf spring assemblies.
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