Sizes of Steering Wheels

Steering wheel sizes will depend on the vehicle. While the exact figures differ, the outer diameter average is 14 1/2 inches to 17 inches.

Wheel Measurements

Grip circumferences can be 2 1/2 inches thick. But some units are twice this thick. Wheels may also use different combinations of numbers. For example, the Size AX wheel has a 3 1/4 inch grip circumference.

The outer diameter is from 14 1/2 inches to 15 1/2 inches. The Size A wheel has a grip circumference between 2 3/4 inches to 3 1/8 inches.

Size AXX and Other Types

The Size AXX wheel circumference grip ranges from 3 5/8 inches to 3 7/8 inches. Its diameter is the same as the AX steering wheel sizes. The Size C is equipped with the same outer diameter. However, its grip circumference is around 3 7/8 inches to 4 1/4 inches.

Size B has an outer diameter of 16 1/2 to 17 1/2 inches. The grip circumference is from 2 to 3 inches. The Size BX has a grip circumference from 3 1/4 to 3 1/2 inches.

Other Facts

The wheel is the component in the vehicle that directs where the tires should turn. However, the process that makes this possible is complex. For this to work, the wheel has to be linked to the steering system.

Ball and Pinion Systems

The ball and pinion steering system has the wheel linked to the steering shaft. The pinion is at the end of the shaft. This is the component that interacts with the component that manages the tires.

Recirculating Ball Systems

Here, the inner wheel is linked to the steering shaft. The rod goes down in a steel gearbox. As the wheel rotates, the gearbox is turned. The gearbox is linked to the components that manage the tires. This allows the tires to turn as the wheel is moved.

Steering Ratio

Not only are the steering wheel sizes varied, but also in the manner they move a vehicle. This difference is known as the steering ratio. In some cases, a small turn can influence the wheel angle. With some cars, the wheel can be turned a lot but with very little actual tire movement.

When looking for steering systems, be sure to check the ratio. Lower car ratios will make the vehicle easier to turn. Some units are hooked up to the power steering. This can reduce the effort required to turn the vehicle.

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