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: 89mmMinimum Thickness: 4.5mmDisc Position: Rear Fits: Suzuki GSXR1000 2001-2016 GSXR600 1997-2021 GSXR750 1996-2022 GSXR750 30TH ANNIVERSARY EDITION 2016 SV1000 2003-2008 SV1000S 2003-2008 SV650 2003-2011 SV650S 2003-2011 TL1000R 1998-2003 TL1000S 1997-2002