The Shimano Deore XT RT-MT800 centerlock disc brake rotor features an advanced heat sync design. FEATURES: Rotor construction uses Shimano FREEZA technology to boost heat dissipation and reduce fade Easy disc brake rotor installation with spline mount and lock ring Compatible with metal and resin brake pads SPECS: Rotor Type: Two Piece Rotor Size (mm): 160 Hub/Disc Compatibility: Center-Lock Disc Pad Compatibility: All Pad Compounds