Try our re-instated info resource - "Aladdin's Cave" (Main menu)- sorry it's taken so long to fix
If I'm correctly informed, you should have used 5.1.
I have always used EBC on my bike and they always work well. They have a tendency to squeal but that's when I know they are correctly adjusted. The brake on these bikes is rather primitive but is more effective than it 'feels'.
You can change just one pad if you are sure they are the same make and grade
Just a one off Insomnia day - up an hour in the middle of the night - slept again until 9.00am. 🥱🥱🥱