Using these handlebar grips is easy. Just slide them onto your bike's handlebars. Make sure they're centered and fit snugly. When riding, you'll immediately notice the better grip and comfort. As for maintenance, keep them clean. You can use a mild soap and water to wipe them down. Avoid using harsh chemicals as they might damage the grips. Store your bike in a dry place to prevent the grips from getting too wet or damaged by the elements. If you notice any signs of wear and tear, like cracks or excessive softening, it might be time to replace them. With proper care, these grips will serve you well for a long time.