700lb Olympic Barbell (Collective)7ft. Olympic Barbell, 700lb. Capacity If you are looking for a quality barbell at a fantastic price, this is the product for you. Our barbell weighs in at 45lbs., has a shaft diameter of 30mm, and a standard knurling pattern. Brass bushings allow it to spin freely and quietly as you perform any Olympic, powerlifting, or cross fit movement. Perfect for any home gym, this product will stand the test of time without breaking the bank.