Experience superior braking performance with the SRAM CenterLine X Disc Brake Rotor. Featuring a lightweight and innovative two-piece design, this rotor combines an alloy center with a robust steel brake track, ensuring durability and reliability on both road and mountain bikes. The rounded edges not only enhance the aesthetic appeal but also facilitate easier wheel installations, making it UCI-compliant for competitive cycling.Compatible with both road and mountain bike brakesLightweight two-piece construction for optimal performanceRounded edges for easier wheel installs and UCI complianceLockring not included. Upgrade your bike's braking system with the SRAM CenterLine X Disc Brake Rotor, designed for maximum efficiency and performance. Whether you're racing or enjoying a casual ride, this rotor ensures responsive and reliable braking, enhancing your overall cycling experience.