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: 200mmI.D: 80mmMinimum Thickness: 3mmDisc Position: Front Left or Right Fits: Kawasaki KLF300C BAYOU 1989-2006 KLF400 BAYOU 1993-1999 KVF300A PRAIRIE 1999-2002 KVF300B PRAIRIE 1999-2002 KVF400 PRAIRIE 1997-2002