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What is a Car Wheel Composed Of?

1 Answers

Kaylee

07/30/25 12:43am

Wheels are typically composed of two main components: the rim and the spokes. The rim is the part of the wheel where the tire is mounted and supported, while the spokes are the supporting components between the axle and the rim. In addition to these parts, wheels sometimes also include the hub. The rim is the component that surrounds and supports the tire on the wheel, forming the wheel together with the spokes. The rim and spokes can be integral, permanently connected, or detachable. The spokes are devices that protect the wheel rim and spokes of the vehicle, characterized by a pair of circular cover plates whose diameter is close to that of the wheel rim. Based on the structure of the spokes, wheels are divided into disc-type and spoke-type. Currently, mainstream family cars mostly use disc-type spoke structures. The hub is the cylindrical metal component inside the tire that supports the tire, mounted centrally on the axle. It is also known as the wheel rim, steel rim, or tire ring. Tire Usage Tips: Inspect the tires. If the damaged area is on the sidewall of the tire or the tread groove depth is worn (depth less than 2 millimeters), and the damage is severe enough to be irreparable, a new tire is needed. Do not arbitrarily change the tire size; choose tires that match your car. Since the seal between the tire and the hub is very tight, professional equipment is required to separate the tire from the hub. The tire should be rotated evenly to avoid damaging the hub during removal. Completely remove the tire from the hub. Once the tire is off, check the hub for any impact damage. Installing a tire on a damaged hub not only results in poor sealing and air leakage but can also lead to dangerous fractures.

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What is the optimal tire pressure for sedans on highways?

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