DID Motocross Chain - Made in Japan Don't settle for anything less. Used by Ryan Villopoto to win 4 AMA SX titles All D.I.D 'ER' chains are designed exclusively for racing. 520ERT3 is used by the top factory SX and MX Teams to win races. 520MX chain has higher tensile strength for maximum performance and is ideal for muddy and sandy conditions. 520VT2 for offroad applications where a sealed chain is preferred, D.I.D's 520VT2 X-Ring chain provides excellent low friction high performance. D.I.D's exclusive SDH pin treatment is featured on the 520ERT2, 520 MX, 520DZ and all NZ Series chains. Fits: Husaberg 450FE 2013-2014 450FS E SUPERMOTO 2005-2008 450FX 2010-2011 FE350 2013-2014 FE390 2010-2012 FE450 2005-2011 TE125 2012-2013 TE250 2011-2013 TE300 2011-2013 Husqvarna CR125 2005-2009 FC450 2014-2015 FE250 2014-2018 FE350 2014-2016 TE125 2014-2016 TE250 2014-2016 TE300 2014-2016 TX125 2018-2019 KTM 200 DUKE 2012-2014 200 EXC 2000-2003 2008-2010 200 SX 2003-2004 360 EXC 1996-1997 360 SX 1996-1997 380 EXC 1998-2002 380 SX 1998-2002 400 EXC-RACING 2001-2007 400 SC SUPER COMPETITION 1996 1999-2000