Our Olympic Bumper Plates are made from 100% natural rubber with Large steel insert for greater shock distribution and absorbent.
Specification:
      Shatter- resistant time: 40,000 ?ú       Natural rubber with Embossed weight identification (no Morgan logos or branding allows for you to have your own gym logo vinyl stickers added) ?ú       Indoor or outdoor use ?ú       Stainless steel insert (Extra large for maximum durability) ?ú       Diameter: outer is 450mm, Inner (bar insert) is 50.4mm ?ú      Hardness:85?ø(+/-5?ø) ?ú      Commercial Grade Plate Thickness: ?ú       10kg Green 28mm ?ú       15kg Yellow 41mm ?ú       20kg Blue 54mm ?ú       25kg Red 65mm ?ú       IWF Standards