spoke
The center of a wheel or circle is called a hub.
The center of a wheel is generally called a hub.
The wheel rim!
It is a hub.
It's called a hub.
It is called the hub.
It's called a hub.
It is called the hub.
It's called a hub.
The center of the rim for a vehicle tire is called the hub. The hub is where the grease and bearings are that help the wheel turn.
The alignment angle called caster helps with steering wheel return.
because the fulcrum of wheel and axle is at the center of it. By:Naresh Roka (facebook.com/awesomenaresh)