SHIMANO SM-RT66 SLX 6-Bolt Disc Brake Rotor (160-mm) Go to amazon.com Related posts Top 10 recommendation shimano rotor 160mm for 2022 FeatureIncludes Rotor boltsMounts to IS six-bolt hubsShimano Reference Number: SM-RT66 DescriptionShimano RT66 offer 6-bolt mounting at an SLX quality level.