Discs We have kinds of discs for our barbells either competition use or the training use; There are colored and black ones for your choices; Discs are made with 25kg, 20kg, 15kg ,10kg, 5 kg,, 2.5kg , 2kg, 1.5kg, 1kg, 0.5kg, 0.25kg, 1.25kg etc. We have the rubber-coated discs and the iron discs.