The weight plates are made of 20# alloy steel, giving them a smooth surface with no pit or hemps, ideal thicknesses and varying weights.The middle decorative stripe is made of injection molding PVC.The bearing is one of the best bearing in China (C&U bearing) with a bearing cap made through injection molding of ABS plastic material.The pulley is made of injection molding of engineering plastics.The front guard board is made of transparent matte texture ABS material while the rea guard board is made of an electrostatic sprayed ABS textured steel board.Due to the double tracking moving design, each equipment arm can move. They are ground and formed in high temperatures, then chrome plated for a high wear and corrosion resistance. The moving guiding rail is made of 45# alloy steel at a diameter of 45mm.
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