# Fixed axle or bearing axle diabolo

Canonical URL: https://www.diabolofocus.com/guide/fixed-vs-bearing-axle
Updated: 2026-09-03

The one decision to make before buying a diabolo. What a fixed axle and a bearing axle each do, which tricks need which, who should start on which, and which Sundia model fits.

Decide the axle before the model. A **fixed axle** grips the string, so you
feel and steer the diabolo directly; it is the home of the classic tricks and
the only way into playing two or three diabolos. A **bearing axle** spins
much longer on a single pull, in one direction, and is what vertical play,
long combos and grinds are built on. Neither is better.

## Fixed axle

The string wraps around a steel axle that does not turn independently of the
cups. Every pull accelerates the diabolo, and every touch of the string
transmits information back to your hands.

- **What it is for:** the whole classic repertoire, including the
  [string climb](/learn/string-climb) and [suicides](/learn/suicide),
  wraps, slacks and knots, and multi-diabolo play such as the
  [two diabolo shuffle](/learn/two-diabolo-shuffle), which is impossible on a
  bearing because two diabolos on one string need friction to be steered.
- **What it costs:** 22 € for an [Echo 2.0](/product/echo-black), 40 € for the
  [EVO G2](/product/evo-g2-white). Lighter (215 to 240 g), nothing to maintain.
- **What it demands:** the spin has to be kept up. A beginner spends the first
  weeks learning to accelerate without tilting.

## Bearing axle

The axle holds one or more one-way ball bearings, so the diabolo keeps
spinning in one direction while the string slides freely in the other.

- **What it is for:** vertical play ("vertax"), long combos, body moves,
  [stick grinds](/learn/stick-grind), and anything where you want the spin to
  outlast the trick. Children often prefer it: the diabolo keeps going, so the
  reward comes sooner.
- **What it costs:** 29 € for the [Echo 2.0 Bearing](/product/echo-3-b-black),
  55 € for the [Falcon](/product/falcon-yellow-bearing), 66 € for the
  [Magforce](/product/magforce-bearing-black). Heavier (240 to 265 g), and the
  nuts want re-tightening now and then.
- **What it forbids:** tricks that need string friction. The elevator will not
  climb, and a second diabolo cannot be controlled.

## Which bearing

| Axle | Bearings | Character | Model |
|---|---|---|---|
| 1-B | 1 | Entry level, quiet | [Micro](/product/micro-bearing) |
| 3-B | 3 | The standard; best balance of stability and durability | [Echo 2.0 Bearing](/product/echo-3-b-black), [Falcon](/product/falcon-yellow-bearing), [Fly](/product/fly-clear-white-bearing) |
| 5-B | 5 | Fastest acceleration for one-minute routines; smaller parts, more fragile | [EVO G3 5-B](/product/evo-g3-light-blue-5-b) |
| Magnetic 3-B | 3 plus magnets | Smoother than a 3-B, sturdier than a 5-B, 2 mm larger | [Magforce](/product/magforce-bearing-black), [Magforce NX](/product/magforce-nx-black-bearing) |

Bearing models always come with the harder or semi-flexible cups: soft cups
pass the shock of a drop straight into the bearings and bend the bolt over
time, so Sundia does not combine them. Sundia's bearings need only an
occasional drop of [Long Spin Oil](/product/long-spin-oil).

## Who should buy which

- **A first diabolo, any age from about 8:** fixed axle,
  [EVO G2](/product/evo-g2-white). See
  [the best diabolo for beginners](/guide/best-diabolo-for-beginners).
- **A young child who gives up when the diabolo stops:** bearing,
  [Echo 2.0 Bearing](/product/echo-3-b-black). See
  [diabolo for kids](/guide/diabolo-for-kids).
- **A player after a year on fixed who wants vertax and combos:** bearing,
  [Magforce](/product/magforce-bearing-black).
- **A player who wants two diabolos:** fixed, and a second
  [EVO G2](/product/evo-g2-white) with [narrow hubs](/product/narrow-hubs-for-evo).

## Bottom line

Fixed for control and the classic tricks, bearing for spin time and vertical
play. Most players end up owning one of each; start with the fixed
[EVO G2](/product/evo-g2-white) and add a
[Magforce](/product/magforce-bearing-black) when the tricks ask for it.

## Questions

**Is a bearing diabolo better than a fixed axle?**

Neither is better; they are two kinds of play. A fixed axle gives direct control and is the only way into string climbs, suicides and two or three diabolos. A bearing spins much longer on one pull, in one direction, which is what vertical play, long combos and grinds are built on.

**Which should a beginner buy?**

A fixed axle, unless the beginner is a child who needs the diabolo to keep spinning while they learn. Fixed is cheaper, lighter, needs no maintenance and teaches the feel of the string.

**Which tricks do not work on a bearing?**

Anything that relies on the string gripping the axle: the string climb (elevator), most slack and wrap tricks, and two-diabolo play. Grinds, on the other hand, only work on a bearing.

**What is the difference between 1-B, 3-B, 5-B and Magforce?**

The number of bearings in the axle. Single bearing (1-B) is the entry level; triple bearing (3-B) is the standard we recommend; five bearing (5-B) accelerates faster for one-minute competition routines but is more fragile; Magforce is a 3-B with magnetic rings that reduce friction further.