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 160mm, 6-Bolt, 1.8mm, Rust Blocker Treatment, Silver Rotor Type: One Piece Hub/Disc Compatibility: 6-Bolt Rotor Size (mm): 160 Weight: 235 Pad Compatibility: All Pad Compounds 140mm, 6-Bolt, 1.8mm, Rust Blocker Treatment, Silver Rotor Type: One Piece Hub/Disc Compatibility: 6-Bolt Rotor Size (mm): 140 Weight: 198 Pad Compatibility: All Pad Compounds