Introducing our Olympic Rubber Bumper Plates, made from heavy-duty rubber for durability and versatility. These plates are ideal for functional and strength training, designed to withstand intense workouts while protecting your flooring. They feature Olympic-sized steel ring inserts for easy loading and unloading, ensuring a secure fit with spring clips or collars. Features: Made of durable solid rubber. Bounce: low to medium Features a reinforced inner metal ring Fits all 50mm diameter bars with 51mm holes. These weights range from 5kg to 25kg. Dimensions and specs: - Plate Weight Options: 5kg,10kg, 15kg, 20kg, 25kg - Plate Width Options: 2cm, 4.5cm, 6cm, 7.5cm, 10cm (width increases with weight) - Plate Radius: 45cm - Colour: Black If You Know.