Xtrem Skid Plate Beta 350-430 Rd 24- Ax1755XTREM Skid PlateMade of 8mm thick high density polyethylene plastic, the skid plate offers a full protection to the cases, the frame until the footpegs, the radiator hose and the linkage. HDPE plastic is 30 to 40% lighter than its equivalent in aluminum, more resistant than a carbon version and it does not generate vibrations nor saves impacts and drastically reduces projection noises.