Originally Posted by
Luddite
So these pads are going to eat away at my probably aluminum rims?
I'm still digging for color/compound info - but, NO, don't worry about them - one is just kinder to rims than the other..... one is slightly more abrasive.
And, until I find the answer, I still think the red ones are formulated with iron oxide. The Salmon ones are softer(grippier,) and wear out quicker. It may take time, but, I'll find it!