Features 1、Average Force: The central lock can produce average force, which not only extends the service life of the brake rotor, but also reduces the possibility of brake rotor loss and deformation. 2、Good Braking Performance: The disc brake rotor is made of steel, and the disc and structure are considered to improve the performance and safety of the disc. 3、Wear Proof and Non Deformation: The bicycle brake disc is made of qualified steel , which is corrosion proof, non deformable and durable. 4、Reduce Heat Transfer: While reducing heat transfer, it has a certain degree of flexibility, on the other hand, it solves the problem of internal tension. 5、Easy installation: It is easy to install on the finished brake disc frame and front fork. Disc brake rotor provides premium equipment for the riding. Item Type: Disc Brake Rotor Material: Steel Center Lock Cover Inside Diameter: 26.8mm/1.06in Center Lock Cover Outer Diameter: 44mm/1.73in Package List 1 x Disc Brake Rotor 1 x Center Lock Cover