Description PBI Front Sprocket (Steel) Fits- - Suzuki 2012 - RM-Z450 2011 - RM-Z450 2010 - RMX450Z 2010 - RM-Z450 2009 - RM-Z450 2008 - RM-Z450 2007 - RM-Z450 2006 - RM-Z450 2005 - RM-Z450