Made from recycled tire rubber. They are the most durable and can be used outdoors on concrete, but they have a much higher bounce. : The go-to for CrossFit and outdoor training. PRx Crumb Rubber Go to product viewer dialog for this item. : Tested for 30,000 drops, ideal for high-frequency use. Go to product viewer dialog for this item. Rogue Echo Pair V2
Most common for home gyms. They are made from virgin rubber and provide a consistent "dead bounce." : A standard for high quality at a lower price point. Nike Bumper Plates buy bumper plates
These have a steel core, making them thinner so you can fit more weight on the bar. They have almost zero bounce. Rep Fitness Competition Bumpers Go to product viewer dialog for this item. Made from recycled tire rubber