XM FITNESS 55lbs Crumb Rubber Bumper Plate Leg Extension Curl Machines Our electrostatically applied powder coat

Our electrostatically applied powder coat finish resists chipping

Heavy stitching throughout

Nickel Plated Chain

4” wide backing provides superior lower back support

XM FITNESS 55lbs Crumb Rubber Bumper Plate Leg Extension Curl Machines Our electrostatically applied powder coatthe next step in evolution of the bumper plate! Crumb Rubber has the ideal durometer rating to absorb bounce and shock, preventing damage to your olympic lifting bar. Crumb Rubber technology dissipates the impact giving you 10,000 30,000 drops and reducing stress on the lifting bars. On the field tests have shown XM Crumb Rubber Bumpers bounce less than other high end rubber bumper plates on the market. Less bounce equals less shock and less noise.