Onnit Primal Kettlebell (16kg) vs York B540 Folding Weight Bench (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Onnit Primal Kettlebell (16kg)

9.0/10 Excellent

4.8★ (6,200 owners)

Competition-spec cast iron. Flat base. The most popular single kettlebell for home training.

Full Review

York B540 Folding Weight Bench

8.8/10 Great

4.3★ (6,400 owners)

6 back adjustments, fold flat, 300kg capacity, preacher curl attachment, UK brand. Multipurpose bench.

Full Review

At a Glance

	Onnit Primal Kettlebell (16kg)	York B540 Folding Weight Bench
247Verdict Score	9.0/10	8.8/10
Owner Rating	4.8★ (6,200)	4.3★ (6,400)
Verdict	Excellent	Great

Quick Verdict

Both are strong choices, but the Onnit Primal Kettlebell (16kg) edges ahead with a 9.0/10 vs 8.8/10. Competition-spec cast iron. Flat base. The most popular single kettlebell for home training. That said, the York B540 Folding Weight Bench is worth considering if 6 back adjustments, fold flat, 300kg capacity, preacher curl attachment, UK brand. Multipurpose bench. Check the current price on Amazon →

Pros & Cons Side by Side

Onnit Primal Kettlebell (16kg)

Competition-specification dimensions — consistent feel across all weights
Flat base for push-up variations and renegade rows
Single-piece casting with no welds or seams that catch on calluses
Powder-coated finish prevents rust and provides grip without chalk
16kg is the ideal starting weight for most adults' first kettlebell

Single fixed weight — need multiple bells as strength progresses
Premium brand pricing vs generic cast iron alternatives
The primate face design is polarising aesthetically

York B540 Folding Weight Bench

6 back pad positions from decline through incline covers every pressing and rowing angle
300kg total weight capacity handles even advanced strength training loads
Folds flat for storage beneath a bed or in a cupboard
Preacher curl attachment enables bicep curls with proper arm positioning
York's UK strength equipment heritage — the most established UK fitness equipment brand

Wider base than competition at unfolded — requires floor space when in use
Padding quality basic at entry pricing compared to commercial gym alternatives
Some assembly required for attachment pieces

FAQ

Which is better, Onnit Primal Kettlebell (16kg) or York B540 Folding Weight?

Is the Onnit Primal Kettlebell (16kg) worth the extra cost?

Yes — Onnit Primal Kettlebell (16kg) scores higher at 9.0/10 vs 8.8/10.

Who is the Onnit Primal Kettlebell (16kg) best suited to?

Competition-spec cast iron. Flat base. The most popular single kettlebell for home training.

Who is the York B540 Folding Weight best suited to?

6 back adjustments, fold flat, 300kg capacity, preacher curl attachment, UK brand. Multipurpose bench.

What are the main downsides of each?

Onnit Primal Kettlebell (16kg): Single fixed weight — need multiple bells as strength progresses; Premium brand pricing vs generic cast iron alternatives. York B540 Folding Weight Bench: Wider base than competition at unfolded — requires floor space when in use; Padding quality basic at entry pricing compared to commercial gym alternatives.

Do owner ratings agree with our verdict?

Largely, yes — Onnit Primal Kettlebell (16kg) sits at 4.8★ from 6,200 verified Amazon owners, and York B540 Folding Weight Bench at 4.3★ from 6,400.

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