7j 7jj?

[SHU-ES1]

Hello all,

I was wondering what 7J or 7JJ means when looking at 15x7" wheels? I've tried searching but can't seem to find what the definition of them are.

Cheers!

[twing]

7J
The rim is 7 inch wide with 'J' rubber mounting lip. 'JJ' is another type of mounting lip.