Elevn Disc Rotor Spacer Kit Description: The Elevn Disc Rotor Spacer Kit comes with two spacers, 1x0.5mm and 1x1mm thickness to fine tune the brake rotor so it can sit right where it needs to be. This kit is for the Disc Brake set ups that may require some additional spacing for a perfect center alignment. Features: ISO 6 Bolt Mount Style for Disc Brake Hubs Spacers are Polished Silver Specifications: Sizes: Includes 2 Spacers (1x0.5mm and 1x1mm)