Hi-Temp Bumper 10Kg - Black [Ea]*Hi Temp bumper plates are made to outlast traditional bumper plates, by approximately double. They are made from recycled rubber and are also therefore kinder to the environment. Hi Temp bumpers are also quieter when dropped and protect your Olympic bar better than traditional bumper plates. Hi Temps are built from recycled vulcanized rubber, with a 2 inch (50mm) steel insert. As with most crumbed rubber bumper plates, the manufacturing process can