Grip and hands

For almost everyone starting with kettlebells, it is not the strength that gives out first — it is the grip. After twenty minutes of swinging the hands burn, the fingers will not close any more, and the session ends for a reason that has little to do with training.

That is not a sign of weakness. A kettlebell handle is thick, and it sits differently in the hand than a bar. Knowing what it hangs on gets you considerably further.

Every bell is different, even when they look much the same at first glance. The little finger has to have a place.

Stefan Schwitter, Guinness world record holder — 24 hours, 9,450 kettlebell swings

Fit is not a question of quality

Stefan swung for 24 hours straight and learned something along the way that no data sheet gives you: two bells with identical dimensions can feel completely different in the hand. For him it is the little finger — if it finds no place in the handle, the hand does not last.

He says this explicitly about a type from our own range, too: the hollow with the opening underneath does not suit him, because the little finger again has no place there. The 32 kg competition bell, on the other hand, fits him perfectly. That is a statement about his hand, not about the bell. Anyone with larger hands may experience it the other way round.

The practical consequence: if you have the chance, put a bell in your hand before you buy six of them. In our showroom you can.

The handle dimensions compared

Competition types are standardised. For cast iron we measured ourselves — there are not eleven different dimensions, there are two.

Type	Handle diameter	Bell diameter	Applies to
Competition	35 mm	210 mm	all weights, 8 to 32 kg
Hollow competition	35 mm	210 mm	all weights, 8 to 48 kg
ECO hollow competition	35 mm	210 mm	all weights, 8 to 48 kg
Cast iron, light range	32 mm	90 to 130 mm	4 to 10 kg
Cast iron, heavy range	38 mm	135 to 200 mm	12 to 32 kg

The current record holder still cannot feel his ring finger — six months after the record, it is numb to this day.

Stefan Schwitter on the other side of competitive sport

What actually helps the grip

🪝

Hook grip, not a fist

The bell hangs in your fingers, not in your palm. Clamp it and you get blisters — let it hang and you last longer.

🤍

Chalk, sparingly

A thin layer takes the moisture. Too much increases friction, and that is exactly where the skin tears.

🧴

Keep callus flat

Thick calluses tear, thin ones do not. Filing them down once a week and using cream beats any grip pad.

✋

Stop in time

When the skin feels tight, the set is over. A torn palm costs you two weeks of training; an abandoned set costs nothing.

🧤

Grips in moderation

Grips help through long sets but take away the feedback from the bell. For technique work, better without.

📏

The handle has a say

Competition bells have the same 35 mm handle across all weights. On cast iron it is 32 mm up to 10 kg and 38 mm from 12 kg — the jump happens in a single step.

Common questions about grip and hands

Why do my hands tear during swings?

Usually because the bell sits too deep in the palm and the skin turns with it. Let it hang in your fingers instead of clamping it — that alone solves most cases.

Do I need gloves?

We advise against them. Gloves increase the effective handle diameter and take away your feel for the bell. If you need something, chalk serves you better — or liquid chalk if there should be no dust.

How long until my hands keep up?

A few weeks, if you train regularly and keep the callus flat. The grip is the part that adapts fastest — and the part that fades fastest when you take a break.

Is a thicker handle better for training?

It asks more of the forearms but costs you reps. If grip strength is the goal that makes sense; for clean technique across many sets it rather gets in the way.