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Kettlebell Kings
Kettlebell Kings Powder Coat Kettlebell
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Best Kettlebells · head-to-head
Kettlebell Kings Powder Coat Kettlebell vs Bowflex SelectTech 840 Adjustable Kettlebell
A sourced, side-by-side comparison. Bowflex SelectTech 840 Adjustable Kettlebell is cheaper at $149. Every spec and price links to its source.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Kettlebell Kings Powder Coat Kettlebell |  Bowflex SelectTech 840 Adjustable Kettlebell |
|---|---|---|
| US price | — | $149 |
| Brand | Kettlebell Kings | Bowflex |
| Released | — | — |
| Weight range (lb) | — | 8-40 |
| Material | cast-iron | adjustable |
| Coating | powder-coat | — |
| Handle diameter (mm) | — | — |
| Adjustable | No | Yes |
| Weight increment (lb) | — | 4 |
| Competition standard | No | No |
| Flat base | Yes | — |
| Single cast construction | Yes | No |
| Warranty years | — | 2 |
Sources — Kettlebell Kings Powder Coat Kettlebell: barbend.com (verified 2026-07-13). Bowflex SelectTech 840 Adjustable Kettlebell: bowflex.com (verified 2026-07-13).
What's the difference between the Kettlebell Kings Powder Coat Kettlebell and Bowflex SelectTech 840 Adjustable Kettlebell?
Where the two actually differ on the specs we track (3 of 10). Matching specs are omitted.
- Material: Kettlebell Kings Powder Coat Kettlebell cast-iron vs Bowflex SelectTech 840 Adjustable Kettlebell adjustable
- Adjustable: Kettlebell Kings Powder Coat Kettlebell false vs Bowflex SelectTech 840 Adjustable Kettlebell true
- Single cast construction: Kettlebell Kings Powder Coat Kettlebell true vs Bowflex SelectTech 840 Adjustable Kettlebell false