Shock pads help dampen vibrations when going fast. rubber material and 3mm each. And with 4 pieces included, you have the option to play around a bit with varied ride height. Or you can switch it up between different wheel sizes and then add just the right amount of spacing, in order to avoid wheel bites.
Being a company that cares for our dear planet, the material used is of course recycled plastic bottles and milk jugs.
