Brand new chain and sprocket kit. You will receive 1 - 520 -106 O ring chain, 1 - 14 tooth front steel sprocket and 1 - 45 tooth rear steel sprocket to replace the chain and sprockets on the following: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 Kawasaki EX250 Ninja 250R. Has a tensile strength in excess of 8200 lbs. All chains include a masterlink. We purchase & sell items that are overstock and closeout from dist