The TRP R2 1.8mm 1-piece 6-bolt stainless steel disc rotor features consistent operating temperatures and built in wear indicators. Designed to give powerful and stable braking in all conditions. - 1.8mm standard thickness for use with Quadiem, Slate, G-Spec DH, G-Spec Quadiem, G-Spec Slate and select Tektro models - High heat dispersion and tolerance - Anti-vibrated noise - Three individual wear indicators - Includes 6 stainless steel bolts - Features a clear "Rust Blocker" treatment on arms to help prevent corrosion