Using these Kryptonite dust boots is easy. First, make sure you've selected the correct boot for your vehicle's specific application. When installing, simply replace the old dust boot with the new one. As for maintenance, thanks to the built - in grease relief feature, it helps keep the parts lubricated. But still, regularly check the boots for any signs of wear or damage. If you notice anything wrong, replace them right away. And if you're ever unsure about which boot to choose or how to install it, don't hesitate to contact us.