J James K New member Dec 8, 2009 #1 i know the difference is weather or not its hd and the size difference. 1" or 1.25" rotors but which is which? is WITH the jb1, jb3 1" or 1.25" and WITHOUT ? 1" or 1.25"?
i know the difference is weather or not its hd and the size difference. 1" or 1.25" rotors but which is which? is WITH the jb1, jb3 1" or 1.25" and WITHOUT ? 1" or 1.25"?
