The Moto-Master HALO T-Floater 6.0 Racing Discs are the ultimate racing discs for the serious professional rider. Born on the race track, born as a winner: 2018 WorldSBK Superstock 1000 Champion and 2018 IDM German Superbike Champion! HALO Outer ring design ensures equal heat dispersion under high thermal stress, while the pad contact surface is evenly cleaned. Outer ring thickness is 6.0mm and features an extra cooling slot on the external perimeter. 320mm outer ring is laser cut and precision ground, then fixed to a billet CNC machined aircraft aluminum carrier, which is black anodized and laser marked. T-Floater system ensures precise controlled full floating action under the most severe racing conditions. T-Floater pin-slot construction allows high mechanical load while exhibiting minimal wear. T-Floater system is lightweight due to specially designed, hard-anodized aluminum floaters. FITS: YamahaYZF-R6, 2017-and upYZF-R1, 2015-and up SPECIFICATIONS: Series: HALO T-Floater Outer diameters: 320.0 mm Inner diameter: 132.0 mm Thickness: 6.0 mm Number of holes: 5 Hole diameter: 8.6 mm Pitch: 150.0 mm Type: Floating disc with T-Floater and aluminum inner carrier Turning direction: Omni-directional Speedometer prepared: No Color inner ring: Black