"J" Designation For Wheels

[Pantera Dude]

Does anyone know what the "J" designation for the wheels refers to?

6J x 16
7.5J x 17

 

[wiztecy]

"J" Indicates the shape of the wheel on the place where the tyre bead sits on the wheel.

Wheel Markings

 

[Pantera Dude]

"J" Indicates the shape of the wheel on the place where the tyre bead sits on the wheel.

Wheel Markings

Interesting, thanks!