Micro Gainz
Olympic Size Fractional Weight Plates Pair of 1.25LB Plates
Independent coverage is consistently positive on this Micro Gainz fractional plate line, though m...
$24.99
Buy NowThe Strength Co.’s Olympic Iron Barbell Plates are American-made (Wisconsin foundry) cast-iron plates aimed at lifters who want a premium-looking, precisely machined iron plate rather than the cheapest option by the pound. Each plate is cast, then machined on both the outer edge and the 1.99” inner bore for a snug, wobble-free fit on a standard 2” Olympic sleeve, and finished with a durable black e-coat that resists chipping and corrosion. Plates are held to within 2% of their stated weight, and independent scale tests have found them consistently close to that mark. They run from 0.75lb up to 100lb, with a standard (non-deep-dish) profile that lets lifters fit more plates per side than bulkier deep-dish designs. The main tradeoff is price – at roughly $2-2.75 per pound shipped, they cost more than budget iron and even some premium competitors like Rogue’s Six Shooters – and the tight bore can scuff during loading and take a shipping ding or two if the box isn’t padded well. For lifters prioritizing look, feel, and a proudly USA-made plate over the lowest cost per pound, they’re a well-regarded choice with a loyal following in the home-gym community.
Buying guide
Best Weight Plates for Your Home Gym — July 2026 Bumper Plates or Iron Plates? How to Pick Your First Set — July 2026 Do You Need Calibrated or Competition Plates? — July 2026 How Much Do Weight Plates Cost Per Pound? — July 2026 What Weight Set Should a Beginner Buy? — July 2026 Will Dropping Weights Damage Your Floor? — July 2026| Finish | Black e-coat (corrosion and chip resistant) |
|---|---|
| Sold as | Individual pairs or pre-assembled sets (175lb to 465lb) |
| Material | Cast iron |
| Inner diameter | 1.99" (fits standard 2" Olympic barbells) |
| Plate width 45lb | 1.25" |
| Weight tolerance | +/-2% of stated weight |
| Available weights | 0.75lb, 1.25lb, 2.5lb, 5lb, 10lb, 25lb, 35lb, 45lb, 100lb (pairs) |
| Plate diameter 45lb | 17.75" |
Weight plates load your barbell — but “plate” covers two very different tools. Bumper plates are rubber discs around a steel hub, all the same ~450mm diameter, built to be dropped from overhead without damaging your floor or bar; they’re the default for Olympic lifting and CrossFit. Iron/steel plates are denser and thinner per pound, cheaper, and quieter to load, but most aren’t made to be dropped — better for slow, controlled powerlifting-style work.
Every barbell gym needs plates. Most home lifters should start with a bumper set, then add iron, change, or specialty plates as a second purchase once they know what their training is missing.
| Olympic Iron Barbell Plates | Calibrated Plates | Hansu Power | Black Bumper Plates | Giant Contrast Bumper Plates | |
|---|---|---|---|---|
| GymRadar rating | 4.95/5 | 4.95/5 | 4.93/5 | 4.92/5 |
| Price | $32.00 | $2,519.10 | $79.99 | $62.98 |
| Finish | Black e-coat (corrosion and chip resistant) | |||
| Sold as | Individual pairs or pre-assembled sets (175lb to 465lb) | |||
| Material | Cast iron | virgin rubber | High-density virgin rubber body, stainless steel 2" bore insert (50.4mm / 1.98" diameter) | |
| Inner diameter | 1.99" (fits standard 2" Olympic barbells) | |||
| Plate width 45lb | 1.25" | |||
| Weight tolerance | +/-2% of stated weight | +/- 3% (10/25/35/45 lb plates) | ||
| Available weights | 0.75lb, 1.25lb, 2.5lb, 5lb, 10lb, 25lb, 35lb, 45lb, 100lb (pairs) | 10 lb, 15 lb, 25 lb, 35 lb, 45 lb (sold in pairs) | ||
| Plate diameter 45lb | 17.75" |
| Expert | 4.95/5 | 59 reviews | |
| Youtube | 4.5/5 | 3 reviews | |
| 4.7/5 | 16 reviews |
The Strength Co.’s iron plates are a widely loved, if pricey, upgrade pick for lifters who want a made-in-USA plate that looks as good as it performs. Build quality stands out: machined edges, a durable black e-coat finish, and a tight 1.99” bore that fits snug on the sleeve with none of the wobble looser plates show. Value is the weakest dimension — at roughly $2.15-2.75/lb shipped for the 45s, they run noticeably above budget iron and even above some competitors like Rogue’s Six Shooters, and Reddit and video reviewers alike flag the price as the main hesitation. Accuracy is consistently close to the stated weight (within a few ounces on 45s in independent tests), and the slim, non-deep-dish profile lets lifters stack more plates per side than bulkier alternatives.
$32.00
Buy NowMicro Gainz
Independent coverage is consistently positive on this Micro Gainz fractional plate line, though m...
$24.99
Buy NowRogue Fitness
Rogue's 6-Shooter is the brand's value cast-iron plate, styled after the Ivanko Revolver but with...
$207.00
Buy NowMayhem Strength
Mayhem Strength's Black Bumper Plates share their material spec sheet — virgin rubber, steel inse...
$79.99
Buy NowBEN
Ben Vintage Weight Plates are 1950s-era tri-spoke, deep-dish Olympic plates with a distinctive cr...