American Barbell Urethane Competition Bumper Plates
German urethane on a 140 mm one-piece chrome hub, with thickness published per size — minimal bounce, and no chipping.
Specs
| Material | German urethane |
|---|---|
| Hub | 140 mm hard chrome, one-piece, chamfered |
| Diameter | 450 mm |
| Bounce | Minimal |
| 10 kg plate thickness | 40 mm (1.57 in) |
| 15 kg plate thickness | 46 mm (1.81 in) |
| 20 kg plate thickness | 53 mm (2.08 in) |
| 25 kg plate thickness | 58 mm (2.28 in) |
| Markings | Custom colour-moulded |
These figures are copied from American Barbell’s own published specs and were last checked on 2026-08-31. Manufacturers revise products without notice, and variants differ. Confirm anything your decision depends on with American Barbell before you buy.
Choose this one if
- You drop from overhead often enough that plate life is a real cost
- You want minimal bounce so the bar stays where it lands
- You want markings that cannot wear off
The detail
Urethane is the top of the bumper material ladder — denser and tougher than rubber, it does not shed, chalk or lose shape, and it does not chip the way painted or cast plates do. American Barbell claims to have been the first to manufacture urethane bumpers, and the material is why plates like these come with lifetime-class warranties elsewhere in the market.
Colour-moulded markings rather than printed or painted ones is the detail that shows up over years. Painted numbers wear off the face of a plate that gets handled thousands of times; moulded colour goes all the way through.
The 140 mm one-piece chamfered chrome hub is the engineering point. The hub takes every impact and every slide on and off a sleeve. One-piece means nothing to work loose; chamfered means the plate loads onto a bar without catching, which reduces wear on your bar's sleeve finish as well as on the plate.
Minimal bounce is a safety feature, not a preference. A high-bouncing plate throws the bar back at you after a drop, which is exactly when you have missed a lift and stepped away without looking.
Publishing thickness per size is genuinely useful and rare — 40 mm for a 10 kg up to 58 mm for a 25 kg. That is what decides whether your bar's loadable sleeve holds what you need. At 53 mm a 20 kg plate is comparable to a good training bumper, so urethane costs you nothing in sleeve space here.
At 450 mm the diameter is the IWF standard, so the bar starts at the right height.
American Barbell does not publish a weight tolerance or a warranty term on this listing — on a plate sold as "competition", tolerance is the specification you would most want. Ask for it in writing.