Polisport Yamaha Front Sprocket Protector YZF 250 450 2014 2022 WRF 250 2015 22 WRF 450 2016 22, Blue Amazon.com: Do Not Ring Doorbell Sign Retro Do Not Knock Or Ring. Polisport Group has a solid market presence manufacturing products related to the two wheels industry. FEATURES, Highly durable and resistant injection moulded part, Open Design to keep mud out of the front sprocket area, Provides protection to the ignition cover, Easy to install and remove for cleaning, Up to date design to enhance the looks of your bike, Lightweight Plastic Part, PARTS INCLUDED 1 Sprocket Protector, 1 Mounting Kit, PACKAGING DETAILS Packed in carton box