The steering knuckle is the pivot point of the steering system, which allows the wheels to turn. On cars with conventional suspension systems, the steering knuckle’s spindle locates and supports the inner and outer wheel bearings.

What does a knuckle do on a car?

The steering knuckle is the pivot point of the steering system, which allows the wheels to turn. On cars with conventional suspension systems, the steering knuckle’s spindle locates and supports the inner and outer wheel bearings.

What is a brake knuckle?

It connects the wheel hub (or spindle) to the suspension. The disc brake caliper mounts to the knuckle. … There’s one steering knuckle attached to each front wheel, and its purpose is to turn your wheel when you steer.