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: 282mmI.D: 132mmMinimum Thickness: 4.5mmDisc Position: Rear Fits: Yamaha FJR1300 AE 2015-2022 FJR1300A 2006-2020 XT1200ZE SUPER TENERE 2014-2015 XTZ1200 SUPER TENERE ABS 2010-2016 XTZ1200E SUPER TENERE ABS 2015-2016