It's called a hub.
The center part of the wheel is a spin
Wheel center caps are a car part. They hold the decorative hubcap of the wheel to the tire by locking in the middle of the wheel.
The large part you grab and turn is the wheel. The rod down the center would be the axle.
It's called a hub.
It is called the hub.
hubHub
It is called the hub.
Rod through center
A wheel center caps is almost a very essential part of any automobile these days! They are used to cover the bolts and screws that hold the wheels of your vehicle and ensure they hold the tyre on to your vehicle. Wheel center is an important part for the proper functioning of your tires.
Wheel center cap
center of front wheel to center of rear wheel.
it is the part to turn the gear round and round