Why Buy DHS Weightlifting Barbells? The answer is to look at what the pros use. DHS Olympic Barbells are used in the Olympics, World Championships, and considered by many trainers to be superior to Eleiko bars. For those who have only trained with cheap bars used in commercial gyms, the difference in feel, sturdiness, and quality is enormous meaning faster gains in performance and muscle mass. Once you try the best weightlifting bar around, you will never go back to a gym bar.