# Sandbox.Collider.RollingResistance

```csharp
System.Nullable<float> RollingResistance { get; set; }
```

Allows overriding the rolling resistance for this collider.
Controls how easily rolling shapes (sphere, capsule) roll on surfaces.

Declared in [Sandbox.Collider](/api/Sandbox.Collider).
Assembly: `Sandbox.Engine`.