Gold O-Ring Chain and Sprocket Kit for Polaris 500 Scrambler 4x4 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Front Sprocket: 13 Tooth Rear Sprocket : 36 Tooth O-Ring Chain: 520x76 - Gold (Come with master link) Compatibility: 2000-2011 Polaris 500 Scrambler 4x4