ARLEN NESS Spider Rotor Adaptor - Chrome 300-083

Spider Rotor Adaptor - Chrome CNC machined rotor adapter/carrier for floating (spoke mount) brake rotors on Arlen Ness® cartridge wheel hubs , Forged from aluminum and then CNC machined into shape , Coped cut out design follows the sculpted lines of Ness cartridge hubs & reduces weight , With an installed 320 mm spoke mount type rotor, the adapter becomes a lightweight complete performance rotor, Mounts to standard 5-bolt HD type wheels with 3.25" bolt circle, Allows the use of factory touring model 320 mm front spoke mounted floating brake rotors on custom wheels., Designed only to be used on all Arlen Ness® wheels with cartridge type wheel hubs.