The Hornet Wave keeps you out there at your best. Designed for performance.Using Lightweight induction hardened stainless steel the Hornet Wave discs offers superior strength and durability while using MTX’s innovative technology to keep you in control under high stress braking. Constructed using one complete segment of SUS 420 stainless steel then heat-treated to HRC 36+-2. MTX’s Wave technology ensures your discs stay cool through high strain environments.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 EquipmentHigh Tech Wave perforated designOptimum heat dissipationSpecifications:O.D: 240mmI.D: 101mmMinimum Thickness: 2.5mmRotor Position: Front Fits: Honda CR125R 1995-2004 2006 CR250R 1995-2007 CR500R 1995-2004 CR500R ENDURO 2003-2004 CR500RE ENDURO 2002 CRF250R 2004 2008-2013 CRF250X 2004-2007 2009-2016 CRF450R 2002-2006 2008-2009 2011-2012 2014 CRF450X 2005-2017