Description Made of recycled material, crumb rubber weight plates are one of the toughest training weights available! In the combination of strength and price, crumb rubber has no equal competitors. The PRx Crumb Rubber Bumper Weight Plates use recycled crumb rubber for less impact on the floor (and less noise) than steel weight plates. With proven durability, they have been tested to withstand 30,000 drops. Sold in pairs. Specs Material Recycled crumb rubber Collar Opening 50.6mm +/- 0.2mmFits Olympic barbells (2") Diameter 17.75" Warranty 90 days - 10lb & 15lb2 years - 25lb, 35lb, & 45lb It is not recommended to drop the 10lb & 15lb alone on the barbell. Doing so can cause the inserts to be damaged and voids the warranty.
