Shimano SLX RT66 6-BOLT RotorThe Shimano SLX RT66 6-BOLT Rotor features a lightweight and sleek design that is super reliable.Shimano SLX RT66 6-BOLT Rotor SpecificationsHub/Disc Compatibility: 6-Bolt DiscPad Compatibility: All Pad CompoundsRotor Size (mm): 203mm, 160mm, 180mmRotor Type: One PieceIncludes rotor fixing bolts and non-turn washers | Shimano RT66 6-Bolt Disc Brake Rotor 203mm, RT66L