Tensor Alloys are the best quality trucks for the best price! You will not find a better truck at this price. Tensor Alloy - Best Grind. Best Turn. Best Truck. · Raw Grind. · Fast Turn. · Traditional Aluminum Alloy. Tensor uses the finest metals and manufacturing processes to produce the best quality skateboard truck on the market. Tensor stands behind their product and guarantee all of their trucks for life. Sold as a pair!