The Carbon-Ti X-Rotor Steel Carbon 2 is a great choice for road or mountain bike riders who want performance and durability. The carbon inner body keeps things lightweight and stiff while a steel braking surface offers reliable durability and heat dissipation. This also reduced pad wear. Titanium is used for the rivets, giving you the strongest rotor possible. Compatible with both organic and metallic brake pads, the Carbon-Ti X-Rotor SteelCarbon 2 has everything you need to enhance your braking on the road or trail.