The SMAI 20kg Barbell has been manufactured with 8 needle bearings and 2 brass bushings, giving it the smoothness and quality expected by Olympic athletes and professional lifters. Designed to be the highest performing barbell for its price, manufactured with Alloy steel with a hardened chrome finish, the barbell has a max load rating of 680kg and is rust resistant and maintenance free. The bar has both IWF Olympic and Power lifting markings on the shaft, and a unique nut-and-pin locking system