Question: How can you tell how old a rim is?

How do you read numbers on rims?

0:550:55How To Understand Wheel Specs - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe second number is the diameter of an imaginary circle in inches or millimeters that runs throughMoreThe second number is the diameter of an imaginary circle in inches or millimeters that runs through the center of each of the studs or in this case 170 millimeters on a 4 6 or an 8 lug wheel.

What do the numbers on a rim mean?

The wheel size is the size designation of a wheel given by its diameter, width, and offset. For example, 17 x 8.5 x +35 designates a diameter of 17 inches, width of 8.5 inches, and +35 mm positive offset (432 × 216 x +35 in fully metric numbers).

How do I identify my rims?

How to Identify a Wheel RimDetermine the maker by examining the wheel center cap for a logo or company name. Compare the wheel to those sold at online wheel and tire companies, such as Tire Rack, if there are no markings on the wheel. Determine the size of a wheel by inspecting the front and back of it for markings.

How do I know when my rims need replacing?

When Should Rims Be Replaced? Any time that your rims are compromised, cannot hold air, or cause braking and handling problems mean that they need to be replaced. A worn or broken rim could cause a sudden blowout even if the leak seems slow or the crack appears minor.

How do I find out my rim size?

First, start with the wheel size for your vehicle. You can find that on the sidewall of the tires on your original wheels or the inside frame of the drivers door. Check out Tire Size Explained (Reading the Sidewall) for more. The wheel diameter (in inches or millimeters) is the fifth set of numbers and letters.

What is the J in rim size?

The letter “J” means a tyre bead profile. This is the marking used to define the wheel collar profile you should never ignore. Wheel collars and tyres must be compatible.

Are rims stamped with size?

Most rims come with three common sizes stamped or cast into the back side of the hub. These are the most important sizes to determine if the rim will fit the tire and the vehicle you want to put it on.

What does ET50 mean on a rim?

Its the distance from the mounting face of the wheel to the centreline. If you coud fit a 13mm spacer to that ET63 wheel, youd get ET50, for example. Imagine unbolting the wheel and moving it out towards the wheel arch a few mil.

Are rims marked with size?

The wheels width is usually written beside the flange shape marking – e.g: 7j, 7.5j, 8.0j. The width of the wheel is basically the area shown on the photo above and it is measured in inches. In other words, the bigger the number, the “thicker” your wheels are.

Where is rim size located?

It is usually located on the back of a spoke along with the factory numbers, or engraved into the inside of the barrel. The dimensions will always be written as something like 20X8. 5J indicating that the wheel is 20” by 8.5”, the width being 8.5”.

How long should rims last?

The lifespan can fall within a pretty huge window, he explains. In the worst cases, riders may experience rim lifespans as short as 1500 miles, and in the best cases perhaps up to 12000 miles!

How much does a new rim cost?

If rims need to be replaced, the price tag can run anywhere from $200 to $500 for each new wheel, depending on your car. If youre looking to save a few dollars on replacement rims, search through craigslist or eBay for some take-off rims.

Is tire size the same as rim size?

Wheels and tires are not interchangeable words. Tires are a part of the wheel setup. For instance, your vehicle has a set size of rims, but you can buy different sizes of tires to fit those rims, as long as the middle of the tires is the correct size.

How do you read a tire rim size?

The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tires width. The bigger the aspect ratio, the bigger the tires sidewall will be.

What does a rim 17x8 mean?

Wheel Sizes 5” or 17x8”. 235/45/17 means the tire fits a 17” wheel) its not as easy to determine the width. On most wheels the width will be printed on the back of the spokes, meaning that the wheel has to be removed to read it. If the width is not printed on the back, you may have to measure.

What size rims are on my car?

The two easiest ways are to check the sticker plate in your car, it should be located inside the driver side door, or look online for the vehicle specifications for your exact make and model. That should tell you the standard rim size.

What is J in rim size?

The letter “J” means a tyre bead profile. This is the marking used to define the wheel collar profile you should never ignore. Wheel collars and tyres must be compatible.

Whats is offset?

Offset refers to how your cars or trucks wheels and tires are mounted and sit in the wheel wells. Most wheels on front-wheel drive cars and newer rear-drive vehicles have positive offset. Negative offset is when the hub mounting surface is behind the wheel centerline.

Can I use rims with different offset?

If offset must be substantially different, avoid using more positive offset at all costs. If the new wheels are wider, backspacing must be calculated. The offset on the new wheels may need to be less to counteract the extra width.

How do I know my alloy wheel size?

Understand the diameter and width of your alloys To find out what the width of your wheels are take a look at wheel itself. Every alloy wheel should have the size on the tyre; you can find this on the outside or sometimes it is stamped on the inside of the alloys or the back of the spokes.

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