DEORE XT M8000 Series brake rotor from SHIMANO. It features anti loosen tightening plate and is suitable for metal and resin pads. It has an alloy lock ring and a 180 mm outside diameter. Features: - Anti loosen tightening plate - Ice technology - 6-bolt (P.C.D. 44mm) - Alloy lock ring - Outside diameter: 180 mm - Pad Compatibility: Metal, Resin - Weight: 154.0 g