One of these is the rubber chain slider. The rear of the slider is secured to the swingarm by this loop, which is nearly always broken, like this one. The slider is NLA from Honda and, in any case, requires the removal of the swingarm to replace.
I've come up with a solution which makes life easier and provides a more positive and permanent attach point.
The only issue with polishing aluminum parts is that it will never end (unless they're clearcoated). But with some Mother's polish and about 15 minutes of effort we have a beautiful piece of bling.
Here's a shot showing the before and after contrast.