The rod is the axle.
Rod through center
The large part you grab and turn is the wheel. The rod down the center would be the axle.
That simple machine is a lever. It allows for the turning of the wheel by applying force at a greater distance from the wheel's center, providing mechanical advantage.
name of rod on a spinning wheel
A pulley system uses a wheel with a rod through its center to lift or move a load. The pulley reduces the amount of force needed to lift heavy objects by distributing the weight across multiple ropes or chains.
stearing wheel,wheel on a bike,real on a fishing rod
center of front wheel to center of rear wheel.
A rod to which a wheel or wheels is attached is an axle.
A tie rod basically completes the connection between the steering wheel and the wheel itself. It is what steers the vehicle.
The center part of the wheel is a spin
The center of a wheel or circle is called a hub.
A wheel and axle