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: 180mmI.D: 75mmMinimum Thickness: 3mmDisc Position: Front Left or Right Fits: Honda TRX500FA RUBICON 4WD 2005-2013 TRX500FE FOURTRAX FOREMAN 4X4 2005-2011 TRX500FGA FOURTRAX FOREMAN 4X4 2005-2009 TRX500FM 4WD FOREMAN 2005-2011 TRX500FPA 4X4 FOREMAN 2009-2016 TRX500FPM 4WD FOREMAN 2011 TRX680FA IRS RINCON 2012-2013 TRX680FA IRS RINCON 4WD 2006-2014 TRX680FGA RINCON 2007-2010