Tensor Trucks started in November of 1999 and are designed by professional skateboarder Rodney Mullen, which specifically address the technical needs of modern skateboarders. Tensor is committed to continuing to innovate with both materials and design in order to give the best grind, the best turn, and the best truck. Tensor uses the finest metals and manufacturing processes to produce the best quality Skateboard truck on the market. We stand behind our product and guarantee all of our trucks for life!