Shimano XT RT81S 160mm Centerlock IceTech Disc Brake Rotor

Shimano XT RT81 Centerlock Disc Rotors* Requires SM-HB20 external-type rotor lockring when installing onto 15/20mm axle hub, see BR8088* 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* Includes standard type rotor lockringItem Specifications---Weight: 123Hub/Disc Compatibility: Center-Lock DiscRotor Size: 160Rotor Type: Two PiecePad Compatibility: All Pad Compounds

Shimano XT RT81 Centerlock Disc Rotors Requires SM-HB20 external-type rotor lockring when installing onto 15/20mm axle hub, see BR8088 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 Includes standard type rotor lockring Item Specifications Weight 123 Hub/Disc Compatibility Center-Lock Disc Rotor Size 160 Rotor Type Two Piece Pad Compatibility All Pad Compounds