Yes4All Adjustable Kettlebell Set
- Kettlebell
- 1
- Cast Iron
- Black 40lb
- More reviewed than 59%
A well-reviewed, genuinely space-saving kettlebell set, worth the modest premium over solid bells if you plan to change weights often.
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How it ranks among the 61 kettlebells we track
4.6★ across 923 Amazon ratings, Bayesian-smoothed toward the category average.
923 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
200+ bought on Amazon last month.
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 61 kettlebells we track - how the scorecard works · full kettlebells data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 30, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A cast iron adjustable kettlebell that scales from 20 to 40 lbs using a lock-and-slide plate system, sold as a space-saving alternative to a full rack of fixed kettlebells. Built with a flat base for upright storage between sets.
The lock-and-slide mechanism is the core feature: instead of screwing plates together, you slide numbered plates on or off and lock them in place, which several reviewers describe as fast enough to change weight mid-workout. One reviewer flagged a real trade-off with that design, the exposed plate edges left when fewer plates are loaded can nick or bruise skin during rack-position moves, something solid kettlebells don't have.
- 20-40 lb adjustable range
- 6 cast iron plate settings
- Flat base for upright storage
- Lock-and-slide plate mechanism
What buyers say
From Amazon customer reviews.
Reviewers consistently call out how quick and secure the weight changes are, several mention using it for a year or more without the plates loosening or shifting during movement. Grip and handle thickness get specific praise. The one real complaint is a reviewer who suffered bruising and a cut from an exposed plate edge when using the bell with some plates removed, enough that they added forearm protection afterward.
Strengths and trade-offs
Drawn from this product's published specifications.
- Weight changes take seconds via lock-and-slide plates
- Numbered plates make correct reassembly easy
- Flat base allows upright storage
- Exposed plate edges can catch skin at partial loads
- Only covers a 20-40 lb range
Performance notes
Weight changes happen by sliding cast iron plates on or off a central handle and securing them with the lock mechanism, which reviewers describe as a matter of seconds rather than the fumbling some adjustable systems require. The flat base lets the bell stand upright for storage and for exercises like renegade rows that need a stable platform, though that same plate-based build means the surface isn't as smooth and continuous as a single-cast kettlebell.
Specifications
| Brand | Yes4All |
|---|---|
| Model | JX7N |
| Dimensions & fit | |
| Item Weight | 40 pounds |
| Item Dimensions L x W x H | 10.6 × 9.1 × 13.4 inches |
| Construction & materials | |
| Material | Cast Iron |
| Color | Black 40lb |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Recommended Uses For Product | Kettlebell Squat, Kettlebell Swing, Security |
| Item Type Name | Yes4All 10-40lb Adjustable Kettlebell Weights/Kettlebell Weights Set – Cast Iron Kettlebell for HIIT and Cross Training Workouts |
| Part Number | JX7N |
| Special Features | Adjustable,Compact,Portable, Easy to Insert and Remove |
Other Yes4All kettlebells
How it compares
This product against the closest alternatives we track in kettlebells.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Yes4All Adjustable Kettlebell SetThis product | 4.6 / 5 | 923 | 4.1 / 5 |
| BowFlex SelectTech 840 Adjustable KettlebellBowFlex | 4.8 / 5 | 7,600 | 4.7 / 5 |
| Amazon Basics Cast Iron Kettlebell for Strength TrainingAmazon | 4.8 / 5 | 27,900 | 4.6 / 5 |
| Marcy Hammertone Kettle BellsMarcy | 4.8 / 5 | 2,300 | 4.5 / 5 |
| Tone Fitness KettlebellTone | 4.6 / 5 | 1,800 | 4.5 / 5 |
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Questions about the Yes4All JX7N
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How fast can you change weight on the Yes4All kettlebell?
Reviewers describe swapping plates via the lock-and-slide mechanism as taking only seconds between exercises.
Is the Yes4All adjustable kettlebell safe for rack-position moves?
Most reviewers report no issues, but one noted bruising and a cut from an exposed plate edge when using it with plates removed, so care is worth taking at partial loads.
What weight range does the Yes4All JX7N kettlebell cover?
It adjusts from 20 to 40 pounds using six cast iron plate settings.