Primals most popular bumper plates for CrossFit boxes are the Hi-Temp Grain Bumper Plates. The grain bumpers have coded flecks in Olympic color and look great in any gym. The bumpers are 450 mm in diameter and under 2 percent of the displayed weight is tested for tolerance. The lower durometer obtained from the use of grain rubber allows for a higher bounce and repeatable plates
The Hi-Temp Grain Bumper plates have a smooth, brushed steel center with rounded edges that make it easy for the disks to slide on and off the Olympic bars without damaging the sleeves. The steel centers are enclosed in order to further protect the bars so that when loaded together they do not touch, this also protects the integrity of the disks, even when dropped. The rubber of grain is totally odorless andha
The discs come in a weight range of: 2.5kg, 5kg, 10kg, 15kg, 20kg, 25kg.
The Hi-Temp Grain Bumper Plates can be used with any Olympic bar. As the discs are of an oversized thickness, we recommend extremely heavy load users buy our Urethane Coloured Bumpers to allow maximum loads to be applied to the bar.
The 2.5kg disc should not be used as a single disc and has a 12-month warranty. The 5-25kg Hi-Temp Grain bumper discs have a full 2-year commercial warranty.