●Material: Aluminum alloy; Suitable for 6.3 inches (160 mm) disc rotors ●Aftermarket Disc Brake Mounting Pedestal for Rear Use, 4.2 oz (120 g), Disc Brakes for City Cycles and Mommachari, etc ●This is a custom specific part that requires knowledge, skills, and special tools for installation and operation. We do not guarantee the fitment or compatibility of individual vehicles ●Product Contents: Disc brake mount base x 1