The RS01E rotor is stronger, reduces brake fade, and lowers vibration more than any other on the market. Say goodbye to bent and noisy rotors.* 2.3mm thickness* 223mm, 220mm, 203mm, 180mm diameter options* 6-bolt attachment (includes 6- T25 Torx head rotor bolts)* One-piece* 47% increased torsional stiffness* 8% better cooling capacity* Rotor wear indicators (minimum thickness of 1.8 mm)* Improved design reduces vibrations and increases stiffness and power