Only today I manged to get my hands on some very trick ex endurance HRC disks off RC30's. This is what Andy and myself are now going to be running very soon on the nsr's.... these puppies are 320mm dia!
They are fully floating but with square bobbin to help stop disk roll, they even have the right offset for nsr's. Might have a few spare sets though once we have decided which ones we are going to use.
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If I have to take the carbs off once more...