Hope standard disc brake rotorthe hope standard disc is laser cut and heat treated to produce a quality disc rotor they have been redesigned with a wider braking surface to enable them to be used as a replacement on many other braking systems in addition to hopes own features standard rotors are laser cut from a sheet of custom steel for fantastic durabilitywider braking surface to make them more compatible with other companies brakesweight 142g 180mmbuyhope componentsfrom chain reaction