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: 230mmI.D: 121mmMinimum Thickness: 3mmDisc Position: Front Left Fits: Suzuki DF200 Trojan 1996-1999 DF200E TROJAN 1995 2000-2003 DR200 1986-2009 DR200S 2012-2022 DR200SE 2008-2009 2011 DR200SE Trojan 1995-1997 1999-2022