Using this sprocket hub is easy. First, select the right axle size that fits your needs, either 1 - inch or 1 1/4 - inch. Then, install it according to the standard 6 - bolt pattern with the 1/4 - inch keyway and 1 - bolt pinch style. When using, make sure the installation is secure to avoid any loosening during operation. For maintenance, regularly check the bolts for tightness and clean the hub to prevent dirt build - up. Since it's made in the USA, you can expect high - quality materials and craftsmanship, so take good care of it and it will serve you well for a long time.