# What do numbers on rims mean?

## What do numbers on rims mean?

What do rim size numbers mean? This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel. The wheel size also includes its width and offset. The width is the distance from each bead seat (from inside to the outside).

What does H2 mean on alloy wheels?

the wheel hump
What does H2 mean? This markings stands for the wheel hump, it usually appears at the very end of the wheel markings. It corresponds to the rigidity of the wheel.

How are wheels designated?

The wheel size is the size designation of a wheel given by its diameter, width, and offset. The diameter of the wheel is the diameter of the cylindrical surface on which the tire bead rides.

### What is 7j rim 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.

What does 7j mean on wheels?

How wide is a 7j rim?

7.5 inches wide
Wheel markings explained To better illustrate the meaning of the markings, let’s take a look at the following example: “7.5Jx16H2 ET35.” In this case: 7.5 is the wheel size, meaning it is 7.5 inches wide (1 inch = 25.4mm)

## What does JJ mean rims?

asked by: Dale. Helpful Expert Reply: The “JJ” that you mentioned finding on the wheel size listed for the units mounted to your trailer refer to the contour of the bead seat on the wheel, essentially its shape ( “J” indicates the shape of the letter J).

How do I know if my rims are steel or alloy?

A magnet will tell you whether a wheel is steel or aluminum and that’s a pretty simple test to find out what the material the wheel is made out of that anyone with a magnet can perform themselves.

Can you fit 225 tyres on 7j rims?

The rule of thumb is the rim needs to be 90% of the tyre width with a +/- 1/2in leeway either side. So a 225 should ideally be on an 8in rim but 7.5in or 8.5in would be OK.

### What is the difference between 7J and 8j wheels?

Can you fit 225 tyres on 7J rims?

What does 7J mean?