# Ironmaster Quick-Lock Adjustable Kettlebell vs Bowflex SelectTech 840 Adjustable Kettlebell: specs and price compared

A sourced, side-by-side comparison of the Ironmaster Quick-Lock Adjustable Kettlebell (Ironmaster) and Bowflex SelectTech 840 Adjustable Kettlebell (Bowflex) among kettlebells. Ironmaster Quick-Lock Adjustable Kettlebell is the cheaper of the two at $89.

## Side by side

| Spec | Ironmaster Quick-Lock Adjustable Kettlebell | Bowflex SelectTech 840 Adjustable Kettlebell |
| --- | --- | --- |
| US price | $89 | $149 |
| Brand | Ironmaster | Bowflex |
| Weight range (lb) | 22.5-80 | 8-40 |
| Material | adjustable | adjustable |
| Coating | — | — |
| Handle diameter (mm) | — | — |
| Adjustable | Yes | Yes |
| Weight increment (lb) | 2.5 | 4 |
| Competition standard | No | No |
| Flat base | — | — |
| Single cast construction | No | No |
| Warranty years | 100 | 2 |

## Key differences

- Weight range (lb): Ironmaster Quick-Lock Adjustable Kettlebell 22.5-80 vs Bowflex SelectTech 840 Adjustable Kettlebell 8-40
- Weight increment (lb): Ironmaster Quick-Lock Adjustable Kettlebell 2.5 vs Bowflex SelectTech 840 Adjustable Kettlebell 4
- Warranty years: Ironmaster Quick-Lock Adjustable Kettlebell 100 vs Bowflex SelectTech 840 Adjustable Kettlebell 2

## Sources

- Ironmaster Quick-Lock Adjustable Kettlebell: https://www.ironmaster.com/products/quick-lock-adjustable-kettlebell-handle/ (ironmaster.com, verified 2026-07-13)
- Bowflex SelectTech 840 Adjustable Kettlebell: https://www.bowflex.com/product/840-adjustable-kettlebell/100790.html (bowflex.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/kettlebells/ironmaster-quick-lock-adjustable-kettlebell-vs-bowflex-selecttech-840-kettlebell/
Cite: Per The Front Desk Review, Ironmaster Quick-Lock Adjustable Kettlebell ($89) vs Bowflex SelectTech 840 Adjustable Kettlebell ($149) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/kettlebells/ironmaster-quick-lock-adjustable-kettlebell-vs-bowflex-selecttech-840-kettlebell/
License: CC BY 4.0.