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 |





