Wheel markings : size, wheel hump and bead profiles.

Except for wheel fanatics , making heads and tails of wheel markings may seem like a hopeless task. Fortunately, Tyre Leader is here to help you. Wheel markings consist of a series of numbers and letters.

6J x 15 H2 ET43 Quick reminder :

6 :Wheel width in inches (1 inch : 25.4 mm)
15 : wheel diametre in inches
ET43 :wheel offset

What does the letter J after the wheel width mean?

The letter J corresponds to the bead profile. Even though there are several different profiles out there, J is by far the most common type for modern vehicles. :

Markings	Applications
A	For bikes, motorcycles, light and heavy trucks and forklifts.
B	Passenger cars (wheel width : 6 inches) Warning, it is prohibited to fit a tyre with a J profile on a wheel with a B bead profile !
D	For bikes, motorcycles, light and heavy trucks and forklifts.
E	Light and heavy trucks
F	Heavy trucks
G,H	Heavy trucks
J	Passenger cars
JJ	4x4
P,K	Antique cars such as Bentleys and old Jaguars
S,T,V,W	Utility vehicles

You should always respect the bead profile required by your car and your tyres.

It is prohibited to fit a tyre on a wheel with an incompatible bead profile.

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. There are several wheel humps out there.

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Wheel markings : size, wheel hump and bead profiles.

What does the letter J after the wheel width mean?

What does H2 mean ?

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