CAP Barbell
CAP Barbell Cast Iron Kettlebell
$39.97Cheaper
Best Kettlebells · head-to-head
CAP Barbell Cast Iron Kettlebell vs Ironmaster Quick-Lock Adjustable Kettlebell
A sourced, side-by-side comparison. CAP Barbell Cast Iron Kettlebell is cheaper at $39.97. Every spec and price links to its source.
Ironmaster
Ironmaster Quick-Lock Adjustable Kettlebell
$89
Which is better: the CAP Barbell Cast Iron Kettlebell or Ironmaster Quick-Lock Adjustable Kettlebell?
On the specs we track, they're closely matched. The CAP Barbell Cast Iron Kettlebell is the cheaper at $39.97.
See CAP Barbell Cast Iron Kettlebell on Amazon See Ironmaster Quick-Lock Adjustable Kettlebell on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | CAP Barbell Cast Iron Kettlebell | Ironmaster Quick-Lock Adjustable Kettlebell |
|---|---|---|
| US price | $39.97 | $89 |
| Brand | CAP Barbell | Ironmaster |
| Released | — | — |
| Weight range (lb) | 10-80 | 22.5-80 |
| Material | cast-iron | adjustable |
| Coating | — | — |
| Handle diameter (mm) | — | — |
| Adjustable | No | Yes |
| Weight increment (lb) | — | 2.5 |
| Competition standard | No | No |
| Flat base | Yes | — |
| Single cast construction | Yes | No |
| Warranty years | — | 100 |
Sources — CAP Barbell Cast Iron Kettlebell: capbarbell.com (verified 2026-07-13). Ironmaster Quick-Lock Adjustable Kettlebell: ironmaster.com (verified 2026-07-13).
What's the difference between the CAP Barbell Cast Iron Kettlebell and Ironmaster Quick-Lock Adjustable Kettlebell?
Where the two actually differ on the specs we track (4 of 10). Matching specs are omitted.
- Weight range (lb): CAP Barbell Cast Iron Kettlebell 10-80 vs Ironmaster Quick-Lock Adjustable Kettlebell 22.5-80
- Material: CAP Barbell Cast Iron Kettlebell cast-iron vs Ironmaster Quick-Lock Adjustable Kettlebell adjustable
- Adjustable: CAP Barbell Cast Iron Kettlebell false vs Ironmaster Quick-Lock Adjustable Kettlebell true
- Single cast construction: CAP Barbell Cast Iron Kettlebell true vs Ironmaster Quick-Lock Adjustable Kettlebell false