Our Olympic Change Plates are injection‑molded weight plates, available in TPE or TPU material, odor‑free and wear‑resistant. Compact‑size design for fast weight adjustment during training. The center hole is 50 mm for olympic barbell only, NOT compatible with 25mm standard bar. Ideal for home gym, fitness studio, perfect for circuit training and progressive strength workout. We provide full OEM & ODM service, support custom logo, different colors and material selection. Wholesale for gym distributors is welcome.