05. Next, is the Radial Load Testing machine. This simulates the load on a tire/wheel assembly. The wheel is spun to speed and loaded to real world riding conditions, but at 2.25 times the maximum tire load. This is done for 100,000 cycles for front wheels, and 500,000 cycles for rear wheels. As you can see, PM takes pride in all of its products to ensure the utmost in wheel quality and safety for consumers.