Using this Clutch Bike Bar End Tubeless Tire Repair Storage Kit is a breeze. First, quickly and easily mount it inside your handlebar. When you have a flat tire, take out the tire plug tool and one of the spare tire plugs from the kit. Insert the plug into the hole in the tire using the tool. That's it, you're back on the road. Remember, this kit is made of high - density plastic, so avoid using it with sharp objects that could damage it. Keep it clean and dry. If you notice the spare tire plugs are running low, you can replace them. It fits most common MTB handlebars, so you don't have to worry about compatibility. Just enjoy a worry - free ride with this convenient kit.