2006-2014 Honda TRX450R/ER 450 R/ER O Ring Chain & Sprocket Black 13/38 96L OEM replacement Steel Front and Rear Sprocket and O Ring Chain Average tensile strength of 7600 lbs Fits 2006 2007 2008 2009 2010 2011 2012 2013 2014 Honda TRX450R/ER 450 R/ER