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: 220mmI.D: 112mmMinimum Thickness: 3.5mmDisc Position: Front Left or Rear Fits: Husqvarna 360 CR 1992-1994 CR125 1991-1999 CR250 1992-1999 CR360 1992-1994 TC510 1990-1991 TC610 1991-1999 TE350 1992-1995 TE410 1995-1999 TE510 1990-1991 TE610 1991-1999 WR125 1991-1999 WR240 1990-1991 WR250 1990-1999 WR260 1990-1994 WR360 1992-1999