Do the ETap® HRD 2x11 rotors come with titanium or steel hardware? November 21, 2019 17:12 Updated ETap® HRD 2x11 6-bolt rotors include titanium bolts. Related articles How do I know when to replace my rotors? Is there a centerlock rotor option? Can I choose between 140mm and 160mm rotors for eTap® HRD 2x11 brakes? Do eTap® HRD 2x11 levers have contact point adjustment? What are the differences between the organic and sintered disc brake pad compounds?