Yes4All
Yes4All 40 lb Adjustable Cast Iron Dumbbell Set
$60Cheaper
Best Adjustable Dumbbells · head-to-head
Yes4All 40 lb Adjustable Cast Iron Dumbbell Set vs ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set
A sourced, side-by-side comparison. Yes4All 40 lb Adjustable Cast Iron Dumbbell Set is cheaper at $60. Every spec and price links to its source.
Which is better: the Yes4All 40 lb Adjustable Cast Iron Dumbbell Set or ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set?
The Yes4All 40 lb Adjustable Cast Iron Dumbbell Set wins 1 of the 1 specs we compare head to head; the other wins 0. The Yes4All 40 lb Adjustable Cast Iron Dumbbell Set is the cheaper at $60. The Yes4All 40 lb Adjustable Cast Iron Dumbbell Set both leads on specs and costs less — the straightforward pick.
Check Yes4All 40 lb Adjustable Cast Iron Dumbbell Set price See ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set 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 | Yes4All 40 lb Adjustable Cast Iron Dumbbell Set |  ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set |
|---|---|---|
| US price | $60 | $299 |
| Brand | Yes4All | ProForm |
| Released | — | — |
| 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 |
Sources — Yes4All 40 lb Adjustable Cast Iron Dumbbell Set: amazon.com (verified 2026-06-15). ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set: proform.com (verified 2026-06-15).
What's the difference between the Yes4All 40 lb Adjustable Cast Iron Dumbbell Set and ProForm Rapid Strike 50 Lb. Adjustable Dumbbell Set?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- 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