4SPORT Olympic Fractional Plates

Name: 4SPORT Olympic Fractional Plates
Brand: Amazon
Rating: 5.0 (3 reviews)

The 4Sport Olympic Fractional Plates are a budget, Amazon-native micro-loading set from 44Sports (sold under the brand names “44Sport” and “4Sport”): a pair each of 1/4, 1/2, 3/4, and 1 lb steel plates (8 total) sized for standard 2” Olympic bars. They exist to close the gap between a typical gym’s smallest plate (2.5 lb) and the finer increments needed for technique work, warm-ups, and grinding past a stalled PR – letting a lifter add as little as 1/2 lb per side instead of jumping straight to 5 lb. Verified Amazon buyers who checked individual plates against a home scale report very tight tolerances (as little as +0.005 lb variance on a 1 lb plate), and the plates are alloy steel with a machined finish, including a machined center hole. They ship in a small carry bag, making them easy to bring to a commercial gym that doesn’t stock fractional weights. There is no dedicated manufacturer website – 44Sports sells exclusively through marketplaces like Amazon – so specs and claims here are sourced from the Amazon listing and owner reviews rather than independent lab testing.

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

Extras	Included carry bag
Finish	Machined, stainless-steel-colored plates
Material	Alloy steel
Bore size	Standard 2" Olympic sleeve fit
Manufacturer	44Sports (brand: 44Sport / 4Sport)
Dimension caveat	Amazon listing states a 17.5" outer diameter, which appears to be a copy-paste error from a full-size-plate template -- treat that figure with caution until independently verified
Weights included	Pairs of 1/4 lb, 1/2 lb, 3/4 lb, and 1 lb plates (8 plates total)

What is a Weight Plate?

What weight plates are

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.

What actually matters

Bumper vs. iron. Buy bumpers if the bar might hit the floor; iron (or rubber-coated iron) for controlled lifts and compact loading.
Weight tolerance. How far a plate strays from its stated weight (±1% is tight, ±3% loose). It barely matters for general training but adds up if you chase a specific total — which is why serious lifters add small change / fractional plates.
Collar fit & bounce. The center hole should fit your bar’s sleeve snugly; rubber durometer (around 88 Shore A) controls how “dead” a dropped plate lands.
Coating & set composition. Virgin rubber holds up and smells less than recycled crumb rubber; plan a starting set (usually a pair each of 45/25/10/5 lb plus change plates) around the lifts you actually do.

Who it’s for

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.

How it compares

	4SPORT Olympic Fractional Plates	Micro Gainz Multi-Color Olympic Size Fractional Weight Plates Set	Atlas Barbell Vintage Weight Plates	Olympic Bumper Plates
GymRadar rating	5.0/5	5.0/5	5.0/5	5.0/5
Price	$31.94	$44.99		$48.08
Extras	Included carry bag
Finish	Machined, stainless-steel-colored plates	Multi-color powder coat, color-coded by weight
Material	Alloy steel	Sintered metal	Cast iron	Rubber shell over a steel core
Bore size	Standard 2" Olympic sleeve fit
Manufacturer	44Sports (brand: 44Sport / 4Sport)	Micro Gainz	Atlas Barbell (Canada) -- defunct, no longer manufactured	Northern Lights Fitness Products
Dimension caveat	Amazon listing states a 17.5" outer diameter, which appears to be a copy-paste error from a full-size-plate template -- treat that figure with caution until independently verified
Weights included	Pairs of 1/4 lb, 1/2 lb, 3/4 lb, and 1 lb plates (8 plates total)

5.0/5 · 3 GymRadar reviews

Reviews by source

Expert	5.0/5	3 reviews
Youtube	4.5/5	1 reviews

The 4Sport Olympic Fractional Plates are a budget, Amazon-native micro-loading set — 1/4, 1/2, 3/4, and 1 lb steel pairs — aimed at lifters chasing PRs in smaller increments than a gym’s standard 2.5 lb jump allows. The standout dimension is functionality/accuracy: verified Amazon buyers who checked them against a food scale report variance as small as +0.005 lb, and a powerlifter’s video review credits the plates with helping her set state and national bench records through incremental loading. The weakest dimension is independent editorial coverage — there’s no dedicated expert review or GymRadar data behind them, so quality claims rest on manufacturer copy and owner reviews rather than a neutral third party.

+Functionality: verified buyers checked plates against a home scale and found variance as small as +0.005 lb on a 1 lb plate, calling them accurate enough for percentage-based training (Amazon)
+Value: priced under $32 for a full 8-plate (1/4-1 lb) set, with reviewers calling it "well priced" for the precision offered (Amazon)
+Build quality: owners describe the plates as "compact, machined on all surfaces, even a machined center hole" (Amazon)
+Functionality: a powerlifter's video review credits incremental loading with these plates for helping her set state and national bench-press records (YouTube: KimTownsel)

−Independent coverage: no dedicated expert review or GymRadar rating exists — the only third-party listing (Garage Gym Reviews) is unscored manufacturer product copy, not an independent verdict
−Build quality: some Amazon reviewers report edges feeling rough enough that certain plates needed filing down before sliding cleanly onto a bar (YouTube: KimTownsel, referencing other buyers' complaints)
−Versatility: plates aren't magnetic, so they can't double as incremental add-ons for adjustable dumbbells/kettlebells the way some buyers hoped (Amazon)
−Functionality: the Amazon listing's stated "17.5" outer diameter" spec looks like a copy-paste error from a full-size plate template — treat published dimensions with caution until verified

$31.94

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