The wave rear brake disc is part of the latest collection from galfer. Features: each rotor is individually heat-treated and double-disc parallel ground to ensure perfect flatness wavedesign allows for lower operating temperatures at extreme conditions much lighter than a stock rotor laser cut, never stamped specifications: bolt pattern: 6 hole braking surface: solid color finish: polished silver inside diameter: 115 mm 4-17 32 material: stainless steel model: wave outside diameter: 245 mm 9-41 64 product name: brake rotor shape: contour style: solid-mount thickness: 4.0 Mm type: one piece fixed to fit: yamaha wr 250 f 2001 european models yamaha wr 250 f 2002 european models yamaha wr 250 f 2003 american models yamaha wr 250 f 2003 european models yamaha wr 250 f 2004 american models yamaha wr 250 f 2004 european models yamaha wr 250 f 2005 american models yamaha wr 250 f 2005 european models yamaha wr 250 f 2006 american models yamaha wr 250 f 2006 european models yamaha wr 250 f 2007 american models yamaha wr 250 f 2007 european models yamaha wr 250 f 2008 american models yamaha wr 250 f 2008 european models yamaha wr 250 f 2009 american models yamaha wr 250 f 2009 european models yamaha wr 250 f 2010 american models yamaha wr 250 f 2010 european models yamaha wr 250 f 2011 american models yamaha wr 250 f 2011 european models yamaha wr 250 f 2012 american models yamaha wr 250 f 2012 european models yamaha wr 250 f 2013 american models yamaha wr 250 f 2013 european mode...