The CenterLine Rotor was designed to keep the center of friction consistent throughout rotation thereby minimizing vibration offering consistent performance and a quiet ride.Includes internal tooled lockring1.85mm rotor thicknessCompatible with both road and mountain bike brakesLightweight, two-piece designRounded edges are UCI-compliant and allow for easier wheel installsItem SpecificationsHub/Disc CompatibilityCenter-LockPad CompatibilityAll Pad CompoundsRotor Size (mm)180Rotor TypeTwo Piece SRAM CenterLine Center Lock Disc Rotor Disc Rotor UPC: 710845917530