Which side of the spare tire faces outward?

1 Answers
DiJessica
07/30/25 6:51am
Usually, tires with an inside and outside have an OUTSIDE mark (external mark) on the same side as the production date, so the tire production date is generally installed facing outward. If it is a symmetrical tread tire, there is no distinction between inside and outside during installation, but it is best to place the side with the production date on the outside. If it is a unidirectional tread tire, it should be installed in the direction of the arrow, which indicates the rolling direction of the wheel. Here is some additional information: 1. Tires: Tires are one of the most important components of a car. Their main functions include: supporting the entire weight of the vehicle and bearing the load of the car; transmitting traction and braking torque to ensure the adhesion between the wheels and the road; reducing and absorbing vibrations and impacts during driving to prevent severe vibrations and early damage to car components; adapting to the high-speed performance of the vehicle and reducing driving noise; ensuring driving safety, handling stability, comfort, and energy efficiency. 2. Specifications: Tire specifications are often represented by a set of numbers. The first number indicates the tire section width, and the second number indicates the rim diameter, both in inches. The letter or symbol in the middle has a special meaning: tire structure: "R" stands for radial tire, while "D" or "-" stands for bias tire.
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