How wide are these bumpers?
55's are 3.2", 45's are 2.9'', 35's are 2.35'', 25's are 1.87'' 15's are 1.2'', and the 10's are 1.05''
What is the durometer reading on these bumpers?
The 10 and 15-pound bumper plates are 90; the 25, 35, 45 and 55-pound bumpers are 85
What does durometer mean?
Durometer is a measure of the hardness of a material. It ranges from 0-100, and the higher the rating the harder the material, and the higher the material's resistance to indentation. Anything above 65 is acceptable for bumper plates. Our plates are considered to be excellent.
Why do different weight bumper plates have different durometer readings?
In general, the lighter bumper plates have a higher durometer reading because they need to be more rigid to withstand the stress of being dropped. Heavier plates have more surface area to distribute the stress, so they do not need to be as hard.
What is the diameter of these bumpers?
Most Fringe Sport bumper plates are the IWF standard 450mm (~17.7") width in diameter, with a +/-1.5mm variance
The ten-pound Fringe Sport bumpers are 445mm (17.5") in diameter
What? Why are the ten-pound bumpers narrower than all the rest?
The ten-pound bumper plates are purposefully 5mm narrower than the other bumper plates so that when you have 10's loaded on the bar, plus other bumpers, the 10-pound plates impact the ground a split second later than the other bumpers. Since the 10-pound plates have the least surface area and are thus the weakest bumpers, this saves stress on your 10 pounders!
My bumpers smell. Do you carry bumpers that don't smell?
Sometimes the bumpers smell due to the way that they are made. It isn't permanent. The best remedy is to let them air out in the sun for about 5 days.
My bumpers are greasy? How can I get the grease off?
The bumpers are greased as a part of the manufacturing process. Sometimes the factory doesn't clean the plates well enough. Here's what we do to de-grease these bad boys:
We wash the bumpers about 3 times, with paper towels, soap, and water. If that doesn't work, then we use a de-greaser spray that can be purchased at a local home improvement store.
Can I drop the 10-pound bumpers like I see my favorite athletes do?
Drop away. We are confident that our 10-pound bumper plates can handle the abuse, and they are backed by our fully comprehensive warranty for 1 year just in case.
What does it mean if there is a white star on my bumper?
Some of our plates go through random spot checks by different quality assurance teams. The star simply means your plate passed inspection. There are no differences in quality between plates with or without stars!
Where are milspec bumpers made?
While these plates are designed in Austin, they are crafted in China.
How can I choose the plates that are right for me?
Bumper plates come in a few standard sizes and are sold in pounds with kilogram conversions. Fringe Sport economy bumpers are sold by the pound. Here is a chart with a rough pound and kilogram weights: