
BowFlex SelectTech 840 Adjustable Kettlebell
Model: 100790A space-saving kettlebell reviewers consistently praise for smooth, reliable weight changes, though the plastic housing and handle feel different from a traditional cast kettlebell.
61 curated kettlebells from real brands shoppers actually search for: Yes4All, Fitvids, REP, CAP, Amazon, Marcy, and more. Junk listings and no-name Amazon-only brands are filtered out by our published quality checks.
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A space-saving kettlebell reviewers consistently praise for smooth, reliable weight changes, though the plastic housing and handle feel different from a traditional cast kettlebell.
Popular PickA solidly built single-weight kettlebell that reviewers rate ahead of pricier gym brands on grip and finish, provided it is used on a padded surface rather than concrete.

Solid, no-frills cast iron kettlebells across a wide weight range, backed by a two-year warranty.

A durable, well-reviewed kettlebell across a wide weight range, worth buying individually as your training weight increases rather than only in one size.

An affordable, wide-handled kettlebell that works for home training, with the tradeoff that cement filling makes it noticeably bulkier than an iron bell of the same weight.



PROIRON's soft kettlebell line stands out mainly for covering weight gaps, like 8 pounds, that other brands skip.

A soft kettlebell bundled with gloves, similar in design to other cushioned kettlebells on the market, though no reviews yet confirm long-term durability.

A fair-priced way to cover four training weights at once, with a comfortable handle and stable base as the real selling points.

A solid, no-weld cast iron kettlebell with a wide handle built for both one and two-handed lifts, offered across enough weight steps to grow with a lifter.

A practical space-saving pick for light kettlebell work, with the main open question being how the plastic locking mechanism holds up over years of use.

A solid value cast iron kettlebell for general strength training, with a coating that has held up over long term use for most owners even if a few report inconsistent finish quality.

A padded alternative to a metal kettlebell that trades compact size for a softer, quieter landing, useful where dropped weight is a real concern.

Straightforward pick for a floor-safe kettlebell with a wide weight range and color coding that makes it easy to build out a full home gym set over time.

Seniors, beginners and anyone needing lighter kettlebell increments than most retail lines offer will get solid value from this color coded set.

A well finished lighter kettlebell from a brand reviewers trust for consistent sizing and responsive service when shipments go wrong.


A reasonable starter set for home swings, deadlifts and squats, if you can tolerate a tray base that some buyers found damaged in shipping.

A space-saving, easy-to-adjust kettlebell that reviewers found genuinely beginner-friendly, though removing the plates takes more effort than adding them.

A straightforward cast iron kettlebell whose vinyl coating earns real praise for protecting floors and dampening drop noise, with the recurring gripe being a rounded base that won't stand upright.


A budget cement-core kettlebell set whose 10/15/20 pound spacing makes it a sensible progression pick for home training, with a handle some buyers found slick until wrapped.

A solid, quiet, floor-friendly kettlebell for home conditioning work, available across a 10 to 35 lb range depending on which weight you order.
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Yes4All, Fitvids, REP, CAP, Amazon lead this category among the 37 brands that passed our curation checks.
Amazon Basics Cast Iron Kettlebell for Strength Training is the most-rated model we track here, with 27,900 Amazon ratings and a 4.8-star average.
Every Amazon listing in the category is screened automatically: accessories and parts are removed, no-name brands are filtered out using real search demand, and low-rated products with meaningful review volume are dropped. Only listings that pass every check are shown.
We start from every kettlebells listing on Amazon, then automatically filter out: accessories and parts (AI checks the category fit), products with no real brand identity (we cross-check brand search demand), low-rated items below 3.7★ with meaningful review volume, and listings that fail a 3-way traffic floor (brand, brand+model, brand+category). What you see is what's left.