There are two types of sprocket cover avaiable - one which requires a Nihilo Case Saver (sold separately), and one which does not - so please ensure you have your bike profiled on MotoSport.com to be confident you get the correct description for your fitment. Open front sprockets can be a danger to hands and fingers on a modern motocross bikes. Nihilo has developed a new removable aluminum sprocket cover that mounts right to their popular Billet Case Saver. Required by many sanctioning bodies throughout the world finally there is a solution. Now you can run your Nihilo Case Saver with a sprocket cover and eliminate this potential dangerous condition. Notes: Can ONLY be used with Nihilo Case Saver, sold separately. Actual anodized color may vary from image.