The TRP 42 disc rotor is designed specifically for use with select TRP DHR and E-MTB brakes. Its two-piece design offers heat management and stiffness.Features:Offer a lower temperature under braking 50% reduction in rotor warping/deformation compared to a standard rotor Six slots to remove water mud and debris 2.3mm rotor thicknessSpecifications:Weight: 211 Hub/Disc Compatibility: 6-Bolt Disc Rotor Size (mm): 180 Pad Compatibility: All Pad Compounds Rotor Type: Two Piece