For effective weight training: Gorilla Sports solid rubber Bumper Plates from 5 kg, 10 kg, 15 kg, 20 kg to 25 kgThe 5 kg, 10 kg, 15 kg, 20 kg to 25 kg Bumper Plates from Gorilla Sports are high-quality solid rubber dumbbell discs specially designed for weightlifting. They are robust, versatile and can withstand a fall from great heights without damage. Bumper Plates 5 kg, 10 kg, 15 kg, 20 kg to 25 kg from Gorilla Sports in detailMuscle training with weightlifting: Bumper Plates are solid rubber dumbbell discs weighing five, ten, fifteen, twenty to twenty-five kilograms. With their 51-millimeter bore, they fit all 50-millimeter-diameter bars. They are ideal for all weightlifting exercises. All at a glance - the Bumper Plates 5 kg, 10 kg, 15 kg, 20 kg to 25 kg: Made of hard-wearing solid rubber Shore hardness: A 85 (medium to hard) Jumping behavior: low to medium Däamorçage: low to medium Features a metal inner ring to reinforce the inner ring.