CAP Barbell Black Cast Iron Kettlebell
CAP Barbell

CAP Barbell Black Cast Iron Kettlebell

| 20 Pounds

$48.994.7(2,575 reviews)
Mubboo Score A-
Buy on Amazon $48.99

Price as of 2026-06-03. Check Amazon for the current price.

Quick Decision

Mubboo Score
A-
Best For
CAP Barbell loyalists
Skip If
Yes4All Kettlebell offers a better rating (4.8/5) at a similar or lower price ($24)
Reviews
2,575+ · reliable

Is This Right For You?

✅ Great for
  • CAP Barbell loyalists — the brand spans 26 products in our database
⚠️ Think twice if
  • Yes4All Kettlebell offers a better rating (4.8/5) at a similar or lower price ($24)
💡 Consider instead
  • Yes4All Kettlebell — 52% cheaper at $24 (Score A+)
  • Amazon Basics Cast Iron Kettlebell — higher rated at 4.8/5 ($51)

📊 Based on data analysis of 66 products in this category.

Mubboo Score: A-

Quality9.4/10
based on 4.7/5 customer rating
Popularity7.7/10
2,575 reviews, top 27% in Kettlebells
Value5.3/10
priced below 53% of Kettlebells

How It Compares

This Product
CAP Barbell Black Cast Iron Kettlebell
Most Popular
Amazon Basics Cast Iron Kettlebell
Best Rated
Yes4All Kettlebell
Best Value
LAVVON Soft Kettlebell
Price$48.99$51.30$23.61$25.99
Rating4.7/54.8/54.8/54.7/5
Reviews2,57527,83725,150805
Mubboo ScoreA-AA+A-

Quick Specs

Color
Black
Material
Cast Iron
Unit Count
1.0 Count
Item Weight
20 Pounds
Part Number
SDK2B-020
Manufacturer
Cap Barbell, Inc.
Model Number
SDK2B-020
Item Type Name
CAP Barbell Cast Iron Kettlebell

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Consider fabric resistance bands to prevent rolling and check accessory comfort like strap padding. For exercise machines, verify printed assembly instructions are included.

Praised for
  • Versatile and adjustable resistance
  • Durable and sturdy build
  • Non-slip and comfortable fit
  • Portable and easy to store
  • Effective results and muscle engagement
Common complaints
  • Bands roll up during exercise
  • Storage bag too small
  • Thin ankle straps

Related Video Reviews

Key Features

  • VERSATILE – Kettlebells offer the ability to target specific muscle group exercises or a full body workout.
  • CONSTRUCTION – Made of solid high-quality cast iron with no weld, no seam casting and coated in an industrial enamel paint for enduring protection.
  • FEATURES – Generous wide opening handle ensures a comfortable, secure grip with one hand or two. The flat bottom allows for easy, safe storage and the ability to be used in specifi…
  • FUNCTIONAL – Perfect for swings, deadlifts, squats, get-ups, snatches and other athletic or cross training workouts.
  • CHOICES – This kettlebell group from CAP is available in sizes from 5 lb. to 50 lb. in 5 lb. increments and from 60 lb. to 80 lb. in 10 lb. increments.

Source: product listing on Amazon.

About CAP Barbell

  • 26 products in our database
  • Average rating: 4.5/5 across all products
  • Price range: $14.49$359
  • Categories: Adjustable Dumbbells, Ankle Weights, exercise-machine-parts-and-accessories, Home Gym Equipment, Kettlebells, Pull-Up Bars

Other Kettlebells

Bottom Line

CAP Barbell Black Cast Iron Kettlebell earns Mubboo Score A-. Priced at $49 — a mid-range option, below the category average of $71. Rated 4.7/5 from 2,575+ reviews. Strong buy if: cap barbell loyalists. Skip if: yes4all kettlebell offers a better rating (4.8/5) at a similar or lower price ($24) — Amazon Basics Cast Iron Kettlebell (Score A, $51) may fit better.

Buy on Amazon $48.99Last verified: 2026-06-03

Frequently Asked Questions

Is the CAP Barbell Black Cast Iron Kettlebell worth buying in 2026?

It earns a Mubboo Score of A-, with a 4.7/5 rating from 2,575 reviews — better than 77% of Kettlebells we track.

How much does the CAP Barbell Black Cast Iron Kettlebell cost?

It is currently $48.99 — mid-tier pricing for Kettlebells.

How does the Black Cast Iron Kettlebell compare to other Kettlebells?

The category's most-reviewed alternative is the Amazon Basics Cast Iron Kettlebell (4.8/5, 27,837 reviews, $51.30). The Black Cast Iron Kettlebell carries a Mubboo Score of A- vs A.

Sources & References

Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-03) and may change.