Amazon Basics Cast Iron Kettlebell for Strength Training
- Kettlebell
- 1
- Cast Iron
- Black
- Better rated than 84%
- More reviewed than 98%
A 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.
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How it ranks among the 61 kettlebells we track
4.8★ across 27,900 Amazon ratings, Bayesian-smoothed toward the category average.
27,900 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
5,000+ 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 single 35-pound cast iron kettlebell with a textured wide handle and powder-coated black finish, sized for one and two-hand strength work in a home gym.
Amazon Basics positions this as a lower-cost alternative to name-brand kettlebells, and the reviews back that up on grip and finish quality. The one caveat printed on the listing itself: the powder coat can chip if the bell is dropped on hard surfaces or knocked against other weights.
- Single 35-pound cast iron kettlebell
- Textured wide handle for one or two-hand grip
- Compact 8.4 x 5.3 x 9.4 inch footprint
- Powder-coated black finish
Who it's for
Home lifters who want one specific weight for swings, deadlifts, presses and full-body circuits. Anyone training on bare concrete without matting should read the chip warning before buying.
What buyers say
From Amazon customer reviews.
Buyers consistently called out the grip and finish quality as better than expected for the price, with several comparing it favorably to name-brand kettlebells at their gym. One reviewer noted the bottom is not perfectly flat, and another who bought multiple sizes found the handle gets thicker as the weight increases.
Strengths and trade-offs
Drawn from this product's published specifications.
- Wide, smooth handle grip praised across reviews
- Solid cast iron feel with no flex
- Priced well against comparable gym brands
- Bottom is not perfectly flat per one reviewer
- Handle thickness varies noticeably between weight sizes
- Powder coat can chip if dropped on hard surfaces
Performance notes
The handle is wide enough for a two-hand hold and reviewers describe it as smooth with no mold lines. One long-time buyer who ordered a heavier size afterward noted the handle thickness grows with the kettlebell weight, which suits larger hands but may feel bulky at lighter sizes.
Specifications
| Brand | Amazon |
|---|---|
| Model | KB-35LB |
| Dimensions & fit | |
| Item Weight | 35 pounds |
| Handle Diameter | 1.5 inches |
| Item Dimensions L x W x H | 8.4 × 5.3 × 9.4 inches |
| Construction & materials | |
| Material | Cast Iron |
| Color | Black |
| Included components | |
| Unit Count | 1 |
| Other details | |
| Part Number | KB-35LB |
| Special Features | Portable |
Other Amazon kettlebells
How it compares
This product against the closest alternatives we track in kettlebells.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Amazon Basics Cast Iron Kettlebell for Strength TrainingThis product | 4.8 / 5 | 27,900 | 4.6 / 5 |
| BowFlex SelectTech 840 Adjustable KettlebellBowFlex | 4.8 / 5 | 7,600 | 4.7 / 5 |
| Marcy Hammertone Kettle BellsMarcy | 4.8 / 5 | 2,300 | 4.5 / 5 |
| Yes4All Kettlebell, 5-100 LB Vinyl Coated Cast Iron Strength Training Kettlebells for…Yes4All | 4.8 / 5 | 25,200 | 4.5 / 5 |
| Tone Fitness KettlebellTone | 4.6 / 5 | 1,800 | 4.5 / 5 |
Similar kettlebells from other brands
Questions about the Amazon KB-35LB
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is the Amazon Basics 35-pound kettlebell solid cast iron?
Yes, it is a single cast iron kettlebell with a powder-coated finish, not a shell filled with sand or concrete.
Does the handle fit larger hands comfortably?
Reviewers with large hands described the grip as comfortable, and one noted the handle gets noticeably thicker on heavier kettlebells in this line.
Will the finish hold up if I drop it?
The listing itself warns the powder coat can chip or crack on hard-surface impacts, so pairing it with a rubber mat is worth doing.