Polisport's rear disc protector will protect the rear brake rotor of your dirt bike and will deflect rocks and debris away helping to protect against possible damage. As with all Polisport products, the fit is perfect and installation is quick and simple. If you want OEM quality don't look any further. Enjoy the quality parts of a brand with more than 40 years of experience in the Off-Road motorbike market and that works with many of the major OEM manufacturers.