The CenterLine X rotor features a two-piece design with an alloy center and steel brake track. Rounded edges make for easier wheel installs and are UCI-compliant. Includes internal tooled lockring. 1.85mm rotor thickness. Compatible with both road and mountain bike brakes. Lightweight, two-piece design. Rounded edges are UCI-compliant and allow for easier wheel installs. Item Specifications: Rotor Size (mm): 140, Rotor Type: Two Piece, Pad Compatibility: All Pad Compounds, Hub/Disc Compatibility: Center-Lock,