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: 265mmI.D: 137mmMinimum Thickness: 4.5mmDisc Position: Rear Fits: BMW F650GS (800cc) 2006-2012 F700GS 2013-2016 F750 GS 40 YEARS GS EDITION 2021 F750GS 2018-2022 F800GS 2007-2019 F800GS ADVENTURE 2012-2015 F800GT 2013-2020 F800R 2009-2020 F800S 2006-2010 F800ST 2004-2012 HP2 ENDURO 2004-2008 HP2 MEGAMOTO 2006-2008 HP2 SPORT 2007-2011 K1200R 2005-2008 K1200R SPORT 2007 K1200S 2003-2008 K1300R 2008-2017 K1300S 2009-2017 K1300S MOTORSPORT 2016 R NINE T 2014-2021 R NINE T PURE 2018-2021 R NINE T RACER 2018-2020 R NINE T SCRAMBLER 2017-2021 R NINE T URBAN G/S 2018-2021 R1200GS 2004-2012 R1200GS ADVENTURE 2005-2013 R1200R 2005-2014 R1200RT 2003-2013 R1200S 2004-2008 R1200ST 2003-2007 R900RT 2005-2009 S1000XR 2016 Husqvarna Nuda 900 2012-2013