Tensor Aluminum trucks feature traditional aluminum alloy which makes for a strong and light truck. This alloy provides a great raw grind and the geometry provides for fast and smooth turning. Tensor provides the lightest all aluminum truck in the industry. Tensor uses the finest metals and manufacturing processes to produce the best quality Skateboard truck on the market. The 5.25 hangar measures 7.875" from axle tip to tip, making these trucks perfect for boards sized 7.75" to 8.25".