The CORETX 90kg Olympic Bumper (V2) Set is engineered to IWF standards to ensure maximum quality and reliability. Enhance your strength training with the SPARTAN205 Olympic barbell, including Lockjaw Collars, and and 5kg (Pair), 10kg (Pair), 20kg (Pair) Black Series Bumper Plates. Our Bumper Plates (V2) are engineered to the highest quality with a scratch-resistant rubber surface, grooved edges and a steel core for seamless loading.