# Caster wheel (rodízio)

> Component kind `caster-wheel` (category `static`, DSL name `casterWheel`, API v1)

Swivel caster: square mounting plate + steel fork + nylon wheel. Bolts under a leg or a base frame so the assembly rolls. Plate faces up (+Y), wheel touches the floor (−Y).

## Parameters

- **`diameter`** — Wheel diameter (mm). Common: 50, 75, 100, 125.
- **`height`** — Overall mounting height (mm): top of the plate to the floor. Sets how far the base is lifted.
- **`brake`** — Whether the caster has a brake lever (adds a small steel mass to the BOM).

## Parameters schema

| Parameter | Type | Default | Constraints |
| --- | --- | --- | --- |
| `diameter` | Number | 100 | min: 30 |
| `height` | Number | 125 | min: 40 |
| `brake` | Boolean | false |  |
| `color` | String | — |  |

## Ports

| Port | Type | Description |
| --- | --- | --- |
| `plate` | `rigid` | Rigid port on the mounting plate (the top face). Weld/bolt the plate to the underside of a leg or base rail. |

## Example

```
statics.casterWheel({
  id: 'caster_fl', diameter: 100, height: 125, brake: true,
});
```