`- Designed with a wider braking surface to make them more compatible with other brakes\n- Standard rotors are laser cut from a sheet of custom steel for durability\n- Floating rotors feature a custom steel braking surface riveted to an aluminum central carrier. Floating design compensates for thermal expansion with constant braking and self-centers to reduce drag\n- Weight: 142g (180mm standard), 146g (180mm floating)