Quote:
Originally Posted by bbbc10
I think they are the same... I never heard of the arms being diff besides the ball joints. I would just cup them a few inches deep.
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I know the ball joints and cross shafts are different for sure. The other difference I read about (and can sort of see from some pictures) is that the spring pocket has more of a taper on the 73+ arms. I considered cupping the arms, but I wouldn't be able to utilize most of the benefit because of the inner fenders. I am using 2" cups on my bags now and I have very little clearance between the arm and bag at ride height. I would like to trim the cups down a little further, but I don't want the bag to rub at ride height.