What does the “o.” mean?

[Locovolataic]

In my head I’ve just read it as “7J or 7.5J” but wanted to check I’ve not assumed this incorrectly and it’s actually more technical…

 

[Deaky]

I guess it’s the abbreviated version of oder, German for or. 7J or 7.5J x 17

 

[JOG]

Zwei Oder drei bier bitte!

 

[Sasquatch]

Zwei Oder drei bier bitte!

Sehr gut!

 

[Sackmycook]

Bockwurst oder Bratwurst ?

 

[Locovolataic]

Thanks guys, clearly my German needs a bit of rust treatment...