What size throttle cable do I need?

[Hazieview]

Hey guys I bought the cheap braided stainless spectre throttle cable and when I inspected it I wasn't happy. The stainless braided cable seem to be frayed.

So I decided to get me a Lokar braided throttle cable instead. Since I'm spending the extra cash can someone tell me for sure what size throttle cable I need?

I never followed through witht he installing the spectre so I wasn't sure if it was the correct size either.

Thanks!