To use this carbon bike frame protector, first make sure your bike carrier is a Thule model with a torque limiter knob. Then, adjust the protector to fit your bike's frame geometry. Since it has no loose parts, it's easy to set up. Just place it on the bike frame where needed to start safe transportation. As for maintenance, after each use, simply wipe the protector with a clean cloth. Avoid using harsh chemicals that might damage the soft TPE rubber liner. Also, store it in a cool, dry place to keep it in good condition. Remember, this protector is only for Thule bike carriers with the specified features, so don't use it with other carriers to prevent potential damage to your bike frame.