Amazon

Amazon CD-30LB Dumbbells

Dumbbell
1
Rubber
Black

4.7/ 5 on Amazon52,328Amazon ratings3,000+bought last month4.7ProductDome score

Better rated than 56%
More reviewed than 98%

High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forYou're adding a single heavier weight to an existing home dumbbell rack

A single 30-pound rubber-coated dumbbell aimed at lifters building out a home rack piece by piece rather than buyers who need a matched pair right away.

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ProductDome scorecard

How it ranks among the 88 dumbbells we track

4.7/ 5ProductDome scoreHigh confidence

Owner satisfaction · 56% of scorecategory median 4.6★4.7

4.7★ across 52,328 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 564 ratings5.0

52,328 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score4.7

3,000+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 88 dumbbells we track - how the scorecard works · full dumbbells data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Sold individually rather than as a pair, the CD-30LB is a 30-pound dumbbell with a rubber coating, built for lifters filling out a home weight rack piece by piece.

Sold as one piece rather than a pair, this dumbbell suits buyers building a rack of individual weights or replacing a single missing unit, rather than those wanting a matched set straight out of the box. Rubber coating is standard at this weight range to protect floors from a heavier drop.

Rubber-coated construction
30 pounds
Black finish
Sold individually

Who it's for

Fits lifters assembling their own weight range piece by piece, or anyone needing a single heavier dumbbell for one-arm work. Not the choice for someone who needs a matched pair immediately.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

30-pound weight suits intermediate strength work
Rubber coating protects floors

What to check first

Sold as a single unit, not a pair

Performance notes

The rubber coating absorbs impact if the weight is set down hard, which matters more at 30 pounds than at lighter loads, and it protects both the floor and the iron core underneath. Being sold individually, buyers assembling a full range will need to order matching units separately.

Specifications

Brand	Amazon
Model	CD-30LB
Pieces	1
Material	Rubber
Color	Black
Item Weight	30 pounds

How it compares

This product against the closest alternatives we track in dumbbells.

Product	Amazon rating	Ratings	ProductDome score
Amazon CD-30LB DumbbellsThis product	4.7 / 5	52,328	4.7 / 5
CAP SDRIS-025 DumbbellsCAP	4.7 / 5	11,917	4.6 / 5
Yes4All DSAX DumbbellsYES4ALL	4.7 / 5	18,568	4.6 / 5
Portzon Neoprene dumbbellsPortzon	4.8 / 5	27,600	4.6 / 5
JFIT J-DBN2SET DumbbellsJFIT	4.8 / 5	7,600	4.6 / 5

Frequently asked

Questions about the Amazon CD-30LB

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Does the CD-30LB come as a pair?

No, it ships as a single 30-pound dumbbell.

What is it coated with?

Rubber, which protects floors and the iron core.

What color is it?

Black.