Registered Forum User
Big Twin
Posts: 1,710
Join Date: Aug 2002
Location: Worthing Sussex
Mood: happy bike passed MOT
plenty of threads on this subject to search for but i've never seen a clear answer in any of them every one has different ideas for what its worth i have just had 012ss's put on my 748 and the dealer said 32 front 36 rear so that what i use