What does 8j mean for wheel rims?

1 Answers
PeytonLee
07/29/25 5:01pm
Wheel rim 8j refers to the tire width being 8 inches, which should use a minimum tire width of 225 millimeters, is suitable for 235-millimeter wide tires, and can accommodate a maximum tire width of 245 millimeters. In terms of manufacturing costs, wider tires with increased dimensions are more cost-effective, so generally, wider rims and tires require larger sizes. The relevant introduction to wheel rims is as follows: Introduction 1: The wheel rim is a cylindrical metal component that supports the tire from the inside and is mounted on the axle at the center. It is also called a wheel ring, steel ring, hub, or wheel disc. There are various types based on diameter, width, forming method, and material. Introduction 2: Depending on the characteristics and requirements of different vehicle models, the surface treatment process for wheel rims also varies, mainly divided into painting and electroplating. For ordinary vehicle models, the appearance of the wheel rim is less considered, with good heat dissipation being a basic requirement. The process generally involves painting treatment, which includes spraying followed by electric baking. This method is cost-effective, provides bright colors, and ensures long-lasting durability, with the rim's color remaining unchanged even when the vehicle is scrapped.
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