Shimano SLX SM-RT70-SS Center Lock Rotor

SLX SM-RT70 Center Lock rotors deliver powerful and consistent braking performance in all riding conditions. They feature a 3-layer structure (an aluminum core paired with two stainless steel outer layers) that reduces rotor surface temperatures 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 hubs (sold separately)