Key Features:Constructed in two parts, aluminium centre and stainless steel braking surface.High performance disc, allowing the stainless steel outer to expand separatelyfrom the centre and handle high temperatures without warping.Hope floating rotors have a true floating design which allows 1 degree of freedom.This means the outer is always free to expand when subjected to heat.Lightweight design.Aluminium centre acts as heat sink keeping disc temperatures lower.CNC machined centre is stiff and lightweight so has the advantagesof a thicker fixed disc without the weight penalty.Centrelock fitmentAvailable in: Ø140, Ø160, Ø180, Ø200, Ø203 and Ø220mm sizes.Centres available in: black, silver, bronze, red, blue, purple and orangeWeight 180mm: 146g