Shimano SLX SM-RT70 Disc Rotor

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