Weightlifters' weights for top-level strength trainingThe 5 kg, 10 kg, 15 kg, 20 kg and 25 kg Bumper Plates are high-quality rubber weight discs specially designed for weightlifting. They are robust, versatile and can withstand a fall from great heights without damage. They have a bore of 51 mm and are suitable for bars with a diameter of 50 mm. The steel ring in the center of each disc facilitates positioning on the barbell. Detailed specifications for 5 kg, 10 kg, 15 kg, 20 kg and 25 kg discs: Solid, resistant rubber design. Shore hardness: A 85 (medium to hard). Bounce: low to medium. Padding: low to medium. Inner metal ring for reinforcement. Bore size 51 mm for barbells with a 50 mm diameter mm. Weight indication in KG. Black color. Weights available: 5 Kg (Diameter: 45 cm, thickness: 2 cm). 10 Kg (Diameter: 45 cm, thickness: 4.5 cm). 15 Kg (Diameter: 45 cm, thickness: 6 cm). 20 Kg (Diameter: 45 cm, thickness: 7.5 cm). 25 Kg (Diameter: 45 cm, thickness: 10 cm). 2. 5. 0. 0