# Bells of Steel Adjustable Kettlebell, Internally-Loaded Steel Shell, Competition Standard 35mm Handle, 12-20.5kg

Source: https://www.ranked10.co.uk/fitness/best-adjustable-kettlebell/bells-of-steel-12-20-5kg
Ranked #1 in "Best Adjustable Kettlebell 2026: What 7-in-1 Really Means": https://www.ranked10.co.uk/fitness/best-adjustable-kettlebell

- Price: £159.99 (checked on Amazon UK on 2026-09-12)
- Amazon rating: 4.6 from 71 ratings
- Buy on Amazon: https://www.amazon.co.uk/dp/B0D38BLJQW?tag=ranked10-21

The Bells of Steel costs £159.99 and carries 71 ratings at 4.6 stars, the deepest sample among the adjustable kettlebells here.

It takes first place because it is the only listing that publishes the step between its weights: half a kilogram and one kilogram, across eighteen levels from 12kg to 20.5kg.

## Specification

| Field | Value |
|---|---|
| Increments as stated | 0.5kg and 1kg |
| Levels and range | 18 levels, 12kg to 20.5kg |
| Handle diameter | 35mm, competition standard |
| Weight at the top | 20.5kg |
| Ratings | 4.6 from 71 |
| Price | £159.99 |

## Questions people ask

**Why is it first when it costs the most?**

Because it is the only listing here that states the increment between weights, and that is the number that decides whether an adjustable bell can follow a programme.

**What are the steps?**

Half a kilogram and one kilogram, across eighteen levels from 12kg to 20.5kg, with the individual plates listed in the bullets.

**How does it adjust?**

Manually. The shell comes apart with an Allen key included in the box and the plates are swapped, rather than turned on a dial.

**Does the specification add up?**

Yes. The item weight is 20.5kg, the top of the range, and the plates listed in the box are enough to reach it.

**Is it suitable for a beginner?**

No. It starts at 12kg, which is a working weight rather than a learning weight; the £28 to £34 options further down this page are the beginner picks.

**How many ratings does it have?**

71 at the time of collection, averaging 4.6 stars, with 82 per cent five-star and 3 per cent one-star.