Shimano XTR SM-RT99 CL Rotor Disc 180mm 03008220

Ice Technology: The rotor construction is made of aluminum and stainless steel. Innovative design reduces the rotor's weight and dissipates the heat generated during braking. Provides longer pad life and produces less noise. Overall improvement in performance has been achieved.
Mud and dirt retention prevention design.
Freeza Technology: Fins for improved cooling
Mounting: Center Lock
Diameter: 180mm
Design: 2-piece
Material: sandwich construction with aluminum core and polished stainless steel
Spider material: aluminum
Pad type: metallic/organic
Weight: 132g