UMAX provides rubber bumper plates with solid steel center disc hubs. The solid steel hub eliminates the center hole to expand and makes the plate compact in thickness.
Bumper plates should be used only with specialty lifting platforms of excellent design. Olympic bar sleeves diameter must match plate hole diameter. Olympic training grade collars must be properly secured during use.
1 year manufacturer’s warranty on 10 lb bumpers, 2 years on 15 lbs, and 3 years on 25 lbs to 55 lbs