Calibrated Plates | Hansu Power

Name: Calibrated Plates | Hansu Power
Brand: Hansu Power
Rating: 4.95 (6 reviews)

Hansu Power’s Calibrated Plates are IPF-approved competition plates built to a tight ±10g (±0.25%) tolerance, aimed at powerlifters who need accurate, repeatable loading for training and meets. Independent reviewers who’ve also owned Rogue, Ivanko, and Eleiko sets describe them as nearly identical in quality and calibration to those pricier competition brands – likely because most calibrated plates on the market, Hansu’s included, come out of the same handful of overseas factories. The cast-iron plates are color-coded and clearly marked, with a 50.4mm center hole that fits any standard Olympic barbell, and a 450mm competition diameter on the 25kg and 20kg plates. The full 459kg set spans seven pairs of 25kg plates down to a single pair each of 20kg, 15kg, 10kg, 5kg, 2.5kg, 1.25kg, 0.5kg, and 0.25kg plates – enough to build a complete calibrated loading progression for serious competition prep.

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

Material	Cast iron
Tolerance	±10 g (±0.25%)
Set composition	7 pairs 25kg; 1 pair each 20/15/10/5/2.5/1.25/0.5/0.25 kg
Set total weight	459 kg
5 kg plate diameter	228 mm
10 kg plate diameter	325 mm
15 kg plate diameter	400 mm
Center hole diameter	50.4 mm (fits standard Olympic barbells)
0.5 kg plate diameter	134 mm
2.5 kg plate diameter	190 mm
0.25 kg plate diameter	112 mm
1.25 kg plate diameter	160 mm
25 kg / 20 kg plate diameter	450 mm (official competition diameter)

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

	Calibrated Plates \| Hansu Power	Olympic Iron Barbell Plates	Black Bumper Plates	Giant Contrast Bumper Plates
GymRadar rating	4.95/5	4.95/5	4.93/5	4.92/5
Price	$2,519.10	$32.00	$79.99	$62.98
Material	Cast iron
Tolerance	±10 g (±0.25%)
Set composition	7 pairs 25kg; 1 pair each 20/15/10/5/2.5/1.25/0.5/0.25 kg
Set total weight	459 kg
5 kg plate diameter	228 mm
10 kg plate diameter	325 mm
15 kg plate diameter	400 mm
Center hole diameter	50.4 mm (fits standard Olympic barbells)
0.5 kg plate diameter	134 mm
2.5 kg plate diameter	190 mm
0.25 kg plate diameter	112 mm
1.25 kg plate diameter	160 mm
25 kg / 20 kg plate diameter	450 mm (official competition diameter)

5.0/5 · 6 GymRadar reviews

Reviews by source

Expert	4.95/5	6 reviews
Youtube	4.5/5	2 reviews

Independent coverage puts Hansu’s calibrated plates on par with premium competition brands: a reviewer who’s owned Rogue, Ivanko, and Eleiko sets calls them “almost identical” in quality and tolerance to the pricier names. Value is the standout dimension — free US/Canada shipping and no US sales tax can make a full set cheaper landed than a Rogue equivalent, and unlike sold-out competitors these are often actually in stock. The weakest dimension is build quality in the details: the “classic” design’s shallow lip is harder to grip than rivals’, especially for larger hands, and like any calibrated plate the paint will chip with heavy use over time.

+Value: competitively priced versus Rogue/Ivanko/Eleiko, especially with free US/Canada shipping and no US sales tax (YouTube: Basement Brandon)
+Functionality: ±10g / ±0.25% tolerance meets IPF calibration standards for accurate competition-style loading (Hansu Power product page)
+Versatility: 450mm competition diameter on 25kg/20kg plates with 50.4mm hole fits any standard Olympic barbell (Hansu Power product page)
+Build quality: cast iron construction, color-coded and clearly marked for fast plate identification (Hansu Power product page)
+Value: rated 4.95/5 across 6 owner reviews on GymRadar, the #3 most-owned calibrated plate tracked there

−Build quality: the classic design's lip is shallow and slick to grip, especially for larger hands, versus more defined lips on rival brands (YouTube: Basement Brandon)
−Functionality: thin competition-diameter plates can feel unfamiliar the first time a lifter handles calibrated plates rather than standard bumpers (YouTube: Basement Brandon)
−Durability: paint will chip with heavy use over time, same as any calibrated plate — not a defect unique to Hansu (YouTube: Basement Brandon)
−Value: complete matched sets sell out quickly and can be hard to find in stock all at once (YouTube: Basement Brandon)

$2,519.10

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