# Yes4All 40 lb Adjustable Cast Iron Dumbbell Set vs ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set: specs and price compared

A sourced, side-by-side comparison of the Yes4All 40 lb Adjustable Cast Iron Dumbbell Set (Yes4All) and ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set (ProForm) among adjustable dumbbells. Yes4All 40 lb Adjustable Cast Iron Dumbbell Set is the cheaper of the two at $60.

## Side by side

| Spec | Yes4All 40 lb Adjustable Cast Iron Dumbbell Set | ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set |
| --- | --- | --- |
| US price | $60 | $299 |
| Brand | Yes4All | ProForm |
| Weight range (lb) | up to 20 (per dumbbell) | 10–50 |
| Increments (lb) | 2.5 and 5 (depends on plate combination) | 10 |
| Adjustment type | pin | dial |
| Sold as | pair | pair |
| Max per dumbbell (lb) | 20 | 50 |
| Weight settings | — | 5 |
| Expandable | No | No |

## Key differences

- Weight range (lb): Yes4All 40 lb Adjustable Cast Iron Dumbbell Set up to 20 (per dumbbell) vs ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set 10–50
- Increments (lb): Yes4All 40 lb Adjustable Cast Iron Dumbbell Set 2.5 and 5 (depends on plate combination) vs ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set 10
- Adjustment type: Yes4All 40 lb Adjustable Cast Iron Dumbbell Set pin vs ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set dial
- Max per dumbbell (lb): Yes4All 40 lb Adjustable Cast Iron Dumbbell Set 20 vs ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set 50

## Sources

- Yes4All 40 lb Adjustable Cast Iron Dumbbell Set: https://www.amazon.com/Yes4All-Adjustable-Dumbbell-Collars-Connector/dp/B0FHBG4N2X (amazon.com, verified 2026-06-15)
- ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set: https://www.proform.com/strength/rapid-strike-50-lb-adjustable-dumbbell-set (proform.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/adjustable-dumbbells/yes4all-40lb-cast-iron-spinlock-vs-proform-rapid-strike-50lb/
Cite: Per The Front Desk Review, Yes4All 40 lb Adjustable Cast Iron Dumbbell Set ($60) vs ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set ($299) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/adjustable-dumbbells/yes4all-40lb-cast-iron-spinlock-vs-proform-rapid-strike-50lb/
License: CC BY 4.0.