By One Industries. For Honda CRF 250 from 2004 to 2009, and CRF 450 from 2005 to 2008.By One Industries. For Honda CRF 250 from 2004 to 2009, and CRF 450 from 2005 to 2008.By One Industries. For Honda CRF 250 from 2004 to 2009, and CRF 450 from 2005 to 2008.