Shimano SLX SM-RT70 center-lock disc brake rotor delivers powerful and consistent brake performance in all riding conditions.

• 3-layer structure with aluminum core and two stainless steel outer layers reduces rotor surface temperature approximately 100 degrees Celsius compared to all-steel rotors
• Aluminum spider
• Includes standard type rotor lockring
• Requires external-type rotor lockring when installing onto 15/20mm axle hub