Shimano RT-MT800 Brake Disc Centerlock Int.

ICE TECHNOLOGIES FREEZA DEORE XT level brake discs (RT-MT800) are designed to maximize brake cooling, resulting in consistent braking and increased chip life.The rotor is designed in 3 layers, thus a central aluminum structure, and external steel tracks, this construction allows the heat to be dissipated by means of fins in the center.Details:Ice Tech Freeza technology.centerlock nut (inside tightening)Weight: 140mm (88g), 160mm (109g), 180mm (132g) and 203mm (164g)Reference: IRTMT800I