The fixed wave grooved rear brake disc is part of the latest collection from galfer. Features: the disc waverepresents the best example of research and development by galfer laser cut, stainless steel lower weight of the unsprung masses. More braking power better heat dissipation. Excellent resistance to corrosion less tendency to warp maintains cleaner the contact surface pad-disc. Improve and personalize the motorcycle esthetic specifications: bolt pattern: 6 hole braking surface: solid color finish: black 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 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 426 f 2002 all models yamaha wr 450 f 2003 american models yamaha wr 450 f 2003 european models yamaha wr 450 f 2004 american models yamaha wr 450 f 2004 european models yamaha wr 450 f 2005 american models yamaha wr 450 f 2005 european models yamaha wr 450 f 2006 american models yamaha wr 450 f 2006 european models yamaha wr 450 f 2007 american models yamaha wr 450 f 2007...