Using these Ams Cero grips is easy. Just slide them onto your bike handlebars and make sure the single inside collar fits snugly. When riding, the diamond patterns will give you a great grip. As for maintenance, keep them clean by wiping with a damp cloth regularly. Avoid using harsh chemicals as they might damage the grip material. If you notice any signs of wear, it's a good idea to replace them to maintain your riding comfort and safety.