What exactly is the difference between bumper plates and iron plates, and when do you know when to use which during a workout? - Quora
What exactly is the difference between bumper plates and iron plates, and when do you know when to use which during a workout? - Quora
![Strongway® Olympic 50KG 70KG 100KG Bumper Weight Plates Sets with 6FT 7FT Barbell - 2 Inch (2") / 50mm Hole - Rubber Coated Cast Iron Weight Lifting Bar (50KG SET + 6FT Strongway® Olympic 50KG 70KG 100KG Bumper Weight Plates Sets with 6FT 7FT Barbell - 2 Inch (2") / 50mm Hole - Rubber Coated Cast Iron Weight Lifting Bar (50KG SET + 6FT](https://m.media-amazon.com/images/I/61DdWafhmLL._AC_UF894,1000_QL80_.jpg)