-- HALO outer ring design ensures equal heat dispersion under high thermal stress while the brake pad contact surface is cleaned evenly. \n-- Outer ring thickness is 6.0mm (320mm or 300mm) ,features an extra cooling slot on external perimeter. \n-- The laser cut and precision grinded outer ring is fixed to a billet CNC machined aircraft aluminium carrier which is black anodized and laser marked. \n-- T-Floater system ensures precise controlled full floating action under the most severe racing conditions. \n-- T-Floater pin-slot construction allows high mechanical load while exhibiting minimum wear. \n-- T-Floater system is lightweight due to specially designed, hard anodized aluminium floaters.ShapeRoundProduct TypeBrake RotorMaterialAluminum, Stainless SteelBolt Pattern6 HoleBrandMOTO-MASTERBraking SurfaceDrilledTypeTwo Piece (Floating)Inside Diameter80,2 mmColour/FinishBlackModelHaloStyleFull-FloatingFeaturesStandardVendor part number117054Outside Diameter320 mm (12-19/32'')\n\nAbo.