Shimano SLX / Deore SM-RT66 - Brake Disc Rotor - 6-bolt. Shimano Deore XT SM-RT86 - Ice-Tec Brake Disc Rotor - 6-bolt. Shimano SLX SM RT70 - Ice-Tec Lock Brake Disc Rotor - Internal Spline Lockring. Shimano RT-MT800 - Ice Tech FREEZA Disc Brake Rotor - Centre Lock.
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