מה ההבדל בין גלגלים מחוברים לגלגלים נפרדים?
מה ההבדל בין גלגלים מחוברים לגלגלים נפרדים?
The main differences between monolithic (one-piece) and two-piece wheels lie in their structural design and manufacturing processes. A monolithic wheel is formed as a single, complete unit, whereas a two-piece wheel consists of a rim (barrel) and a center disc (wheel face) manufactured separately and then assembled using high-strength bolts or advanced connection techniques like FSW (Friction Stir Welding)

What’s the difference between one-piece and two-piece wheels (7)
In terms of structure, monolithic wheels emphasize integrity. They are typically produced through processes like forging or casting as a single piece, making the manufacturing relatively straightforward and cost-effective
Since there are no joints, they generally exhibit better dynamic balance, higher reliability, and are less prone to air leakage

What’s the difference between one-piece and two-piece wheels (6)
The two-piece design offers greater flexibility for customization. It allows for different combinations of rim widths and center disc styles, enabling effects like two-tone finishes or even replacing just the center disc to change the appearance

What’s the difference between one-piece and two-piece wheels (8)
. However, the connection points can add weight and present challenges for dynamic balance. This design also demands higher requirements for sealing and assembly precision to ensure safety and prevent leaks
Regarding performance, monolithic wheels are often lighter, which can contribute to improved fuel efficiency and handling responsiveness

deep dish wheels (8)
Two-piece wheels may offer advantages in structural strength and heat dissipation, making them a common choice for high-performance and custom applications

גלגלים עמוקים (7)
The choice between them involves balancing factors such as weight, cost, the desire for customization, and maintenance considerations .
As a team dedicated to all things wheels, we always have wheels on our minds and aim to address any wheel-related issues for everyone. Today, we noticed many car owners’ wheels have suffered various degrees of “injuries”—scratches, scuffs, corrosion, wear, and more. These are problems cars may face over time or are already experiencing. Learning from these past experiences, we can now make the best choices.
Let’s first look at the reality. Below is an example of a BMW MINI:
As shown, when wheels end up like this over time, what can be done? They become awkward to keep yet a waste to discard—and there are even more severe cases.
It’s not just BMW; let’s consider Tesla (reasons outlined below).
For the Tesla Model Y Standard Range version, some online articles mention that the unreasonable tire width pairing is a cause—for a 9.5J wheel, 265 should generally be chosen, but Tesla uses 255, making the tire relatively narrow.
I actually looked into this and found it to be true. Refer to the chart below for fellow modifiers.
After seeing these scraping incidents, I realized that the two-piece wheel offers a significant advantage in addressing abrasion issues. Its outer shell can be easily replaced, avoiding the dilemma of it being “awkward to keep yet a waste to discard.” Just change the shell, and it’s as good as new. Although two-piece wheels are more complex to manufacture and thus more expensive than one-piece wheels (a quick online search for “two-piece wheels” will show this), some manufacturers even design them with aerodynamic principles for lightweight energy savings.
Some online friends claim that two-piece wheels are not as sturdy as one-piece ones. I believe this is groundless. Why? Because the structure of two-piece wheels allows for the removal of the outer cover, enabling switches between one-piece and two-piece styles as preferred. Doesn’t that sound convincingly flexible?
In summary: Two-piece wheels (also called dual-piece wheels), as shown in the images, are more suitable for style versatility, energy efficiency, and keeping up with trends. They represent advanced technology and offer remarkable flexibility
דצמבר 22, 2025