Features: 1.The floating disc effectively reduces the heat transfer caused by friction, strengthens the heat dissipation capacity and improves the anti-attenuation ability. 2.CNC precision manufacturing, thickness is about 2mm, high hardness and good safety. 3.The stainless steel floating buckle design prevents the outer disc from being directly locked with the hub, leaving room for expansion. Brand: IIIPRO Material: aluminum alloy bracket + stainless steel brake disc Size:140/160/180/203mm hole center distance: 44mm(standard six pin disc) Thickness:About 1.8mm Weight: about 140mm 84g/160mm 106g/180mm 135g/203mm 172g Color: black, red, blue, gold, multicolour Process: Full CNC engraving and milling, anodizing, laser marking, stamping type ultra light floating disc Package included: 1 x.