What are round weight disks for weight lifting bars made of?

These actually can also be divided up into olympic weightlifting and powerlifting bars, but they are often just called olympic bars. Olympic 7ft ... Typical standard plates are the “pancake” shaped plates with rounded edges, consisting of these sizes: 1.25lb, 2.5lb, 5lb, 10lb, 12.5lb, 20lb, 25lb, 50lb. read more

Over 1,000 World Records broken on Eleiko Bars; IWF, IPF, and IPC approved Generous Warranty conditions; As with the bars; the Eleiko discs (plates) are produced with the same care and quality materials. The Eleiko discs are tested for 5000 drops and come with a 5 year warranty. read more

Bar Weight: 45 pounds. 3) Trap Bar. A trap or ‘hex’ bar is aptly named due to the shape of the bar. This bar is in the shape of a trapezoid or hexagon, which allows you to position yourself in the middle of the bar’s center of gravity for deadlift exercises. read more