Reinforcement is a water less wash that you can use in apartments, hotels, … when an outdoor area is not available to clean your bicycle. It is specially formulated to reinforce and maintain your coating even better. By applying a small amount of nano coating every 3 months your bicycle will stay reinforced. It can be used as a standalone force, protecting against the elements. Spray on, wipe off and dry with a micro fiber cloth. Simple and easy to use at home or during traveling.