Product description:The SRAM CenterLine X Road CLX-R Centerlock rotor delivers smooth, quiet braking performance designed specifically for modern road bikes. Its lightweight two-piece construction combines an aluminum carrier with a precision-machined steel brake track to reduce weight while maintaining consistent power and control. Built around SRAM&';s CenterLine design, the rotor minimizes vibration and noise, giving you confident modulation and reliable braking whether you&';re descending fast or riding long miles. Features: CenterLine brake track reduces noise and vibration for smooth, consistent braking Lightweight two-piece construction balances stiffness, durability, and low weight Road-specific design optimized for control and modulation at high speeds Centerlock interface allows quick installation and accurate rotor alignment