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: 184mmI.D: 84mmMinimum Thickness: 2.5mmDisc Position: Rear Fits: Kawasaki KLX140 Small Wheel 2008-2020 KLX140G 2017 KLX140L Big Wheel 2008-2020 KLX140R Small Wheel 2021-2022 KLX140RL Big Wheel 2021-2022 KX100 2001-2014 KX85 Big Wheel 2001-2022 KX85 Small Wheel 2001-2022 Suzuki RM100 2003-2006