The rear brake caliper for a 2005 Polaris Sportsman 500 is a high-quality aluminum brake disc rotor specifically designed for ATV use. This uncoated caliper comes with brake pads included and is meant to be installed on the rear of the vehicle, providing reliable and efficient braking power for safe operation. Made by Polaris, a trusted brand in the ATV industry, this brake caliper is a durable and essential component for maintaining the braking system of your ATV in optimal condition.