MTX solid discs are constructed using one complete segment of Japanese SUS 420 stainless steel then heat-treated to HRC 36+-2. Lightening and drill hole patterns are as per OEM designs to improve braking performance and reduce the temperature of the disc.MTX Discs provide amazing braking control for your motorcycle. All MTX discs are designed and manufactured with world-leading cutting edge technologies:Precision CNC machined and laser-cut technologyJapanese SUS 420 Stainless SteelReplacement for Original EquipmentOEM Design; lightening & drill hole patternsSpecifications:O.D: 300mmI.D: 130mmMinimum Thickness: 6.5mmDisc Position: Rear Fits: Kawasaki VN1500 MEAN STREAK 2002-2004 VN1600 MEAN STREAK 2004-2008 VN1600 Vulcan Classic 2003-2009 VN1600 Vulcan Nomad 2008 Suzuki VZ1600 MARAUDER 2004