Zhang Kong Colorful Rubber Bumper Weights Overview ZKC Colorful Rubber Bumper Weights are precision-engineered for Olympic training and weightlifting competitions. Made from high-density rubber with a reinforced steel center ring, these plates deliver long-lasting durability and consistent weight accuracy. Moreover, the low-bounce design helps protect platforms and reduces impact during repeated drops, supporting both safety and equipment longevity. Each plate features clear colour coding for fast identification during progressive training sessions. Furthermore, the smooth surface and balanced stiffness provide stable bar control, allowing athletes to maintain proper bar path throughout snatch and clean & jerk movements. In addition, the reinforced steel insert enhances plate stability on the barbell, ensuring reliable performance even under heavy volume. These bumper weights are suited for clubs, performance gyms, and advanced home setups. As a result, athletes can train with confidence knowing their equipment meets the standards demanded by consistent Olympic lifting practice. ZKCColorful Rubber Bumper Weights Key Features Competition Color CodingEach plate follows IWF color standards — white 5 kg, green 10 kg, yellow 15 kg, blue 20 kg, and red 25 kg — for easy identification during training or competition. High-Density Rubber ConstructionConstructed from premium rubber material that’s tear-resistant, odorless, and anti-aging, ensuring consistent performance over time. Reinforced Steel Hub50 mm steel insert provides smooth barbell loading and protects against long-term wear. Safe Handling DesignRaised edge groove design allows secure grip when loading or unloading weights. Precision CalibratedEach plate maintains a ±0.8 % weight tolerance, meeting professional training requirements. Specifications Weight (kg) Color Diameter (mm) Thickness (mm) Center Hole (mm) 25 Red 450 83 50 20 Blue 450 76 50 15 Yellow 450 61 50 10 Green 450 41.5 50 5 White 450 26.5 50 Why Choose Zhang Kong Bumper Weights？ Trusted IWF Heritage — Official IWF-certified weightlifting equipment manufacturer Perfect weight accuracy — ensures consistent loading across all training setups. Durable and quiet — absorbs impact, protects floors, and minimizes noise.
