1The interior adopts aluminum alloy ultra light and thick material, unique heat dissipation design, better heat dissipation capacity, higher strength and hardness 2Full CNC engraving and milling, anodized marking, stamping and forming, reducing weight to meet your needs 3The special structure of the heat sink is added. After the heat treatment process, the heat sink is in constant contact with the outer frame, and the heat can be quickly dissipated 4The thickness of the brake pads is 18mm/0.7in, and the middle is thickened to 3mm/0.1in. The design of the stainless steel floating buckle leaves room for expansion 5The 5 hole 75 fixed connection design and the floating structure can avoid vibration caused by the longitudinal expansion of the high temperature brake disc during braking Item Type: DiscBrakeRotor Material: Aluminum Alloy Product Size: Diameter Approx. 180mm/7.1in 1 x DiscBrakeRotor