Using these AS3 Performance crash bars is easy. First, take out all the parts from the package and check if you have all the brackets and bolts. Then, follow the fitting instructions step by step to mount the crash bars on your 2007 - 2016 BMW F 800 GS. When riding, these bars will protect your engine and fairings if you have an accident. As for maintenance, just clean them with a soft cloth regularly. Avoid using harsh chemicals as they might damage the textured matt black finish. If you notice any loose bolts, tighten them up right away. Remember, these crash bars come with a 12 - month warranty, so if there are any problems, contact us.