What is the name of an 18-wheel truck

Understand rim designation: sizes, rim flange and hump.

If you look at the back of a rim, you'll find a combination of numbers and letters. But how is this rim designation to be read? It is difficult for many to understand. Tire Leader helps you understand what the series of numbers and letters mean.

6J x 15 H2 ET43
In memory of:
  • 6: Rim width in inches (1¨: 25.4 mm)
  • 15: Rim diameter in inches
  • ET43: Offset in mm

What does the letter J in the rim designation mean?

The letter J stands for the rim flange shape (rim flange design). J is considered to be the usual shape of the outer edge (rim flange). There are several types of rim edges. We have listed them in the table below:

descriptionArea of ​​application
A.Bicycles, motorcycles, mopeds, light trucks, trucks, forklifts.
B.Car (rim width: 6 inches)

Danger ! Although rims B and J are suitable for cars, it is not possible to use tires designed for rim flange B in combination with a rim with rim flange J!

D.Bicycles, motorcycles, mopeds, light trucks, trucks, forklifts.
E.truck
F.truck
G, Htruck
JCar
JJ4x4
P, KVintage vehicles such as Jaguar or Bentley
S, T, V, WCommercial vehicle

It is very important to pay attention to the contour of the rim flange. Rims and tires that are suitable for different types of rim flange may not be combined with one another.

What does the designation H2 mean?

The letter H gives information about the hump design (shape and number of humps). This designation is usually at the end of the rim marking. H2 means that the rim has a double hump inside. (= Doppelhumpfelge).